[v] 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"
[v] prove formally; demonstrate by a mathematical, formal proof
[v] obtain probate of, as of a will
[v] provide evidence for; "The blood test showed that he was the father"; "Her behavior testified to her incompetence"
[v] take a trial impression of
[v] cause to puff up with a leaven; of dough; "unleavened bread"
[v] increase in volume; of dough
[v] put to the test, as for its quality, or give experimental use to; "This approach has been tried with good results"; "Test this recipe"
[v] be shown or be found to be; "She proved to be right"; "The medicine turned out to save her life"; "She turend up HIV positive"
bear witness, demonstrate, essay, establish, evidence, examine, leaven, raise, shew, show, show, test, testify, try, try out, turn out, turn up