v. (past part. proved or proven)
1. tr. (often foll. by that + clause) demonstrate the truth of by evidence or argument.
2 intr. a (usu. foll. by to + infin.) be found (it proved to be untrue). b emerge incontrovertibly as (will prove the winner).
3 tr. Math. test the accuracy of (a calculation).
4 tr. establish the genuineness and validity of (a will).
5 intr. (of dough) rise in bread-making.
6 tr. PROOF 6.
7 tr. subject (a gun etc.) to a testing process.
8 tr. archaic test the qualities of; try.
Phrases and idioms:
not proven (in Scottish Law) a verdict that there is insufficient evidence to establish guilt or innocence. prove oneself show one's abilities, courage, etc.
Derivatives:
provable adj. provability n. provably adv.
Etymology: ME f. OF prover f. L probare test, approve, demonstrate f. probus good