Verb
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"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"3. provide evidence for;
"The blood test showed that he was the father""Her behavior testified to her incompetence"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"6. increase in volume;
"the dough rose slowly in the warm room"7. cause to puff up with a leaven;
"unleavened bread"8. take a trial impression of
9. obtain probate of;
"prove a will"