verb (used with object)
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, especially through one's actions.
verb (used without object)
10. to turn out: The experiment proved to be successful.
11. to be found by trial or experience to be: His story proved false.
12. (of dough) to rise to a specified lightness: Leave covered until it has proved.