All was royal; To the disposing of it nought rebell'd, Order gave each thing view; the office did Distinctly his full function.
I presume That, as my hand has open'd bounty to you, My heart dropp'd love, my pow'r rain'd honour, more On you than any, so your hand and heart, Your brain, and every function of your power, Should, notwithstanding that your bond of duty, As 'twere in love's particular, be more To me, your friend, than any.
There are no more uses of "function" in the play.
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I can't function on less than six hours of sleep a night; and I do best on nine.
My brain does not function as well when I'm under stress.