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as in:  It demonstrates my point.

The salesperson demonstrated features of both phones so I could compare them.
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demonstrable demonstrate demonstrated demonstrating demonstration demonstrates
The specific meaning of demonstrate depends on context. For example:

  • "I will demonstrate how to throw a Frisbee."
  • — to show how to do something
  • "I will demonstrate how much quicker the new computer is than the old one." — to show how something works

  • "Her questioned demonstrated that she was listening and thinking deeply about what was said." — showed to be true or proved

Standard suffix:  The suffix, "-tion" converts the verb demonstrate to a noun meaning "the act of showing."
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  • The salesperson demonstrated features of both phones so I could compare them.
  • The medal is given only to a few who have demonstrated extraordinary courage while defending their country.
  • The coach asked me to demonstrate a proper pushup.
  • This graph demonstrates that students who read more develop more extensive vocabularies.

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  • Unlike a postulate or axiom, a theorem is a demonstrable truth.
  • The belief that nothing exists outside your own mind — surely there must be some way of demonstrating that it was false?
    George Orwell  --  1984
  • There was nothing with which they could compare their present lives: they had nothing to go upon except Squealer’s lists of figures, which invariably demonstrated that everything was getting better and better.
    George Orwell  --  Animal Farm
  • Leer nearly drowns trying to demonstrate a sausage.
    Erich Maria Remarque  --  All Quiet on the Western Front
  • Dink started out the first practice by asking Ender to demonstrate his feet-first attack position.
    Orson Scott Card  --  Ender’s Game
  • He tells me he knows a tiny little bit about dueling himself and has sportingly agreed to help me with a short demonstration before we begin.
    J.K. Rowling  --  Harry Potter and the Chamber of Secrets

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  • She was an apt woman; and a little experience soon demonstrated, to her satisfaction, that education and slavery were incompatible with each other.
    Frederick Douglass  --  The Narrative of the Life of Frederick Douglass
  • His vindictive nature was demonstrated long before the witchcraft began.
    Arthur Miller  --  The Crucible
  • (RUTH folds her hands rather primly on her lap, determined to demonstrate the civilization of the family) Warm, ain’t it? I mean for September.
    Lorraine Hansberry  --  A Raisin in the Sun
  • "Can I ask Cole to help me with a demonstration?"
    Ben Mikaeslen  --  Touching Spirit Bear
  • Four names a few different punches, demonstrating each one as he does, first against the air and then against the punching bag.
    Veronica Roth  --  Divergent
  • Ender took his pistol and demonstrated what he had learned about the two thumb buttons.
    Orson Scott Card  --  Ender’s Game
  • His course was characterized by no extraordinary demonstrations of cruelty. He whipped, but seemed to take no pleasure in it.
    Frederick Douglass  --  The Narrative of the Life of Frederick Douglass
  • ...and how his misery augmented, in proportion as he grew reflective and intelligent,—thus demonstrating that a happy slave is an extinct man!
    Frederick Douglass  --  The Narrative of the Life of Frederick Douglass
  • (He sits down beside her and demonstrates graphically what he thinks her methods and tone should be)
    Lorraine Hansberry  --  A Raisin in the Sun
  • As Cole swam, he thought about Garvey and the stupid cake demonstration.
    Ben Mikaeslen  --  Touching Spirit Bear
  • And pay attention while Four demonstrates the correct technique for throwing them.
    Veronica Roth  --  Divergent
  • She went to CE, knowing there she could be useful and that there, her efforts would be appreciated, immediately and demonstrably.
    Dave Eggers  --  The Circle
  • Understanding the Pittman case and documenting the other demonstrably false things Myers had asserted would strengthen our evidence.
    Bryan Stevenson  --  Just Mercy
  • Though the certainty of this criterion is far from demonstrable, yet it has the savor of analogical probability.
    Herman Melville  --  Moby Dick
  • A breeding animal was demonstrably effective in a fundamental way; it implied that Wu had put all the pieces together correctly.
    Michael Crichton  --  Jurassic Park
  • No other demonstrable abnormalities at the light-microscope level.
    Michael Crichton  --  The Andromeda Strain
  • An officer injured in the line of duty does not necessarily have to retire unless he is demonstrably unfit for duty.
    Tom Clancy  --  The Hunt for Red October
  • How often have you known it for the butler who is on everyone’s lips one day as the greatest of his generation to be proved demonstrably within a few years to have been nothing of the sort?
    Kazuo Ishiguro  --  The Remains of the Day
  • …usage, a sudden fissure may appear, though the length of this period cannot be predicted…… The possibility of a molecular reaction, at present unknown, cannot be entirely discounted…… Although the tensile strength of the metal is obviously demonstrable, certain questions in regard to its behavior under unusual stress are not to be ruled out…. Although there is no evidence to support the contention that the use of the metal should be prohibited, a further study of its properties would…
    Ayn Rand  --  Atlas Shrugged
  • I’ll be one of the few demonstrably literate people ever to graduate from this school, Colonel.
    Pat Conroy  --  The Lords of Discipline
  • But in telling Nathaniel’s story, I have unwittingly taken on some responsibility for his welfare, a job I am clearly, demonstrably and undeniably unqualified for.
    Steve Lopez  --  The Soloist
  • Whereas the truths of science are communicable, being demonstrable hypotheses rationally founded on observable facts, ritual, mythology, and metaphysics are but guides to the brink of a transcendent illumination, the final step to which must be taken by each in his own silent experience.
    Joseph Campbell  --  The Hero With a Thousand Faces
  • It is demonstrable that the scratches are going everywhere impartially and it is only your candle which produces the flattering illusion of a concentric arrangement, its light falling with an exclusive optical selection.
    George Eliot  --  Middlemarch
  • And their testimony, particularly that of the doctors, three guides, the woman who heard Roberta’s last cry, all repeatedly objected to by Jephson and Belknap, for upon such weakness and demonstrable error as they could point out depended the plausibility of Clyde’s daring defense.
    Theodore Dreiser  --  An American Tragedy
  • Tom had his terrible clutch on her conscience and her deepest dread; she writhed under the demonstrable truth of the character he had given to her conduct, and yet her whole soul rebelled against it as unfair from its incompleteness.
    George Eliot  --  The Mill on the Floss
  • You, however, claim that your heavenly city is demonstrable, and, of course, it isn’t.
    Mark Helprin  --  A Soldier of the Great War
  • Which also demonstrably doesn’t work with humans.
    John Ringo  --  Live Free or Die
  • An intelligent creature, Max reasoned, would not seek an open fight against a demonstrably stronger opponent.
    Henry H. Neff  --  The Fiend And The Forge
  • The old religion is not only the religion-it is the revealed, enforced and frighteningly demonstrable religion.
    Roger Zelazny  --  Lord of Light
  • One’s first feeling is that in describing Shakespeare as a bad writer he is saying something demonstrably untrue.
    George Orwell  --  Lear, Tolstoy and the Fool
  • In Norway and Holland he had somehow remained demonstrably alive, and at the end of it they gave him a medal and let him go.
    John Le Carre  --  The Spy Who Came In From The Cold
  • For instance, did the seven weeks he had demonstrably, indubitably spent with these people here feel like a mere seven days?
    Thomas Mann  --  The Magic Mountain
  • His eyes reflected the precious treasure which manifestly he saw, but realization of ownership had not yet become demonstrable.
    Zane Grey  --  The Man of the Forest
  • This truth is mathematically demonstrable, everywhere verifiable; it is the single eternal imperative controlling everything we do.
    Robert A. Heinlein  --  Starship Troopers
  • The temporary sadness for Hetty was the worst consequence; he resolutely turned away his eyes from any bad consequence that was not demonstrably inevitable.
    George Eliot  --  Adam Bede
  • On a comparison of this extent with that of several countries in Europe, the practicability of rendering our system commensurate to it appears to be demonstrable.
    Alexander Hamilton, James Madison, & John Jay  --  The Federalist Papers
  • As they cannot fail to recognize Burdovsky’s right (seeing that it is mathematically demonstrable), it is just as well that the witnesses should be your friends.
    Fyodor Dostoyevsky  --  The Idiot
  • What is demonstrably true is that Oscar Danilo Blandon helped establish a link—between Colombian cocaine cartels and inner-city crack merchants—that would alter American history.
    Steven D. Levitt & Stephen J. Dubner  --  Freakonomics
  • It will also give this chronicle its character, which is intended to be that of a narrative made with good feelings-that is to say, feelings that are neither demonstrably bad nor overcharged with emotion in the ugly manner of a stage-play.
    Albert Camus  --  The Plague
  • Howe wanted to keep the Americans on the run, and continue to clear the board, so to speak—to clear New Jersey and Rhode Island of the rebel forces just as he had cleared New York, and by such conquests of vital territory bring the deluded American people and their political leaders to their senses and end their demonstrably futile rebellion.
    David G. McCullough  --  1776
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Associated words [difficulty]:   demonstrate [1]
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Most commonly used in these subjects:   Engineering, Human Behavior, Religion - Christianity
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