All 12 Uses

positive
in
The Unbearable Lightness of Being
(Auto-generated)

That's proof positive I'm not dead!†
Chpt 1 *

positive = certain
Unlike Parmenides, Beethoven apparently viewed weight as something positive.†
Chpt 1 *

positive = good or beneficial
One half of the opposition he called positive (light, fineness, warmth, being), the other negative.†
Chpt 1
Parmenides responded: lightness is positive, weight negative.†
Chpt 1
Lately, Tereza realized, she positively enjoyed being welcomed into the day by Karenin.†
Chpt 4
No, she was positive she'd heard no water; she would have remembered that.†
Chpt 4
We are very much aware of your positive qualities.†
Chpt 5
It is an interesting tale of light going to heavy or, as Parmenides would have it, positive going to negative.†
Chpt 5
As Parmenides would put it, the negative would change into the positive.†
Chpt 6

Uses with a meaning too rare to warrant foucs:

We might find this division into positive and negative poles childishly simple except for one difficulty: which one is positive, weight or lightness?†
Chpt 1
We might find this division into positive and negative poles childishly simple except for one difficulty: which one is positive, weight or lightness?†
Chpt 1
Had he done so, however, he would have been in the spirit of Parmenides and made heavy go to light, that is, negative to positive!†
Chpt 5 *

Definitions:

(1) (positive as in: I'm absolutely positive!)
certain (having no doubt; or used for emphasis)
(2) (positive as in: had a positive effect)
good or beneficial
(3) (positive as in: positive feedback from my boss)
approval or agreement
(4) (positive as in: a positive attitude)
optimistic (expecting or focusing on good things); or agreeable
(5) (positive as in: The test came back positive.)
found a condition or substance to be present
indicating the presence of something being tested for -- especially a disease, condition, or substance
(6) (positive as in: a positive number)
greater than zero (of a number)
(7) (meaning too rare to warrant focus)
See a comprehensive dictionary for less common meanings of positive including some in the fields of electricity, physics, chemistry, medicine, philosophy, and grammar. Note that most all senses of positive indicate that something is good or present.