Definition of "Prove" :

verb: establish the validity of something, as by an example, explanation or experiment

verb: prove formally; demonstrate by a mathematical, formal proof

verb: obtain probate of

"Prove a will."

verb: provide evidence for

verb: take a trial impression of

verb: cause to puff up with a leaven

verb: increase in volume

verb: put to the test, as for its quality, or give experimental use to

verb: be shown or be found to be

"She proved to be right."