From WordNet (r) 3.0 (2006):
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: prove, 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: prove, demonstrate,
establish, show, shew] [ant: confute, disprove]
3: provide evidence for; "The blood test showed that he was the
father"; "Her behavior testified to her incompetence" [syn:
testify, bear witness, prove, 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, prove, try, try out,
examine, essay]
6: increase in volume; "the dough rose slowly in the warm room"
[syn: rise, prove]
7: cause to puff up with a leaven; "unleavened bread" [syn:
raise, leaven, prove]
8: take a trial impression of
9: obtain probate of; "prove a will"