prove
     v 1: be shown or be found to be; "She proved to be right"; "The
          medicine turned out to save her life"; "She turned up
          HIV positive" [syn: {turn out}, {turn up}]
     2: establish the validity of something, as by an example,
        explanation or experiment; "The experiment demonstrated
        the instability of the compound"; "The mathematician
        showed the validity of the conjecture" [syn: {demonstrate},
         {establish}, {show}, {shew}] [ant: {disprove}]
     3: provide evidence for; "The blood test showed that he was the
        father"; "Her behavior testified to her incompetence"
        [syn: {testify}, {bear witness}, {evidence}, {show}]
     4: prove formally; demonstrate by a mathematical, formal proof
     5: put to the test, as for its quality, or give experimental
        use to; "This approach has been tried with good results";
        "Test this recipe" [syn: {test}, {try}, {try out}, {examine},
         {essay}]
     6: increase in volume; "the dough rose slowly in the warm room"
        [syn: {rise}]
     7: cause to puff up with a leaven; "unleavened bread" [syn: {raise},
         {leaven}]
     8: take a trial impression of
     9: obtain probate of; "prove a will"
     [also: {proven}]
Source: WordNet® 2.0