Pronunciation: (prOOv), [key]
—v., proved, proved or prov•en, prov•ing.
1. to establish the truth or genuineness of, as by evidence or argument: to prove one's claim.
2. Law.to establish the authenticity or validity of (a will); probate.
3. to give demonstration of by action.
4. to subject to a test, experiment, comparison, analysis, or the like, to determine quality, amount, acceptability, characteristics, etc.: to prove ore.
5. to show (oneself) to have the character or ability expected of one, esp. through one's actions.
6. Math.to verify the correctness or validity of by mathematical demonstration or arithmetical proof.
7. Also,proof. Print.to take a trial impression of (type, a cut, etc.).
8. to cause (dough) to rise to the necessary lightness.
9. Archaic.to experience.
1. to turn out: The experiment proved to be successful.
2. to be found by trial or experience to be: His story proved false.
3. (of dough) to rise to a specified lightness: Leave covered until it has proved.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.