| verb | be shown or be found to be “She proved to be right” |
| verb | establish the validity of something, as by an example, explanation or experiment “The experiment demonstrated the instability of the compound” |
| verb | provide evidence for “The blood test showed that he was the father” |
| verb | prove formally; demonstrate by a mathematical, formal proof |
| verb | put to the test, as for its quality, or give experimental use to “This approach has been tried with good results” |
| verb | increase in volume “the dough rose slowly in the warm room” |
| verb | cause to puff up with a leaven “unleavened bread” |
| verb | take a trial impression of |
| verb | obtain probate of “prove a will” |
| demonstrative | adjective | serving to demonstrate |
| establishment | noun | the cognitive process of establishing a valid proof |
| testimony | noun | something that serves as evidence |
| testifier | noun | a person who testifies or gives a deposition |
| evidence | noun | an indication that makes something evident |
| test | noun | trying something to find out about it |
| testing | noun | the act of subjecting to experimental test in order to determine how well something works |
| trier | noun | one who tries |
| trial | noun | the act of undergoing testing |
| tryout | noun | trying something to find out about it |
| examination | noun | a set of questions or exercises evaluating skill or knowledge |
| examiner | noun | someone who administers a test to determine your qualifications |
| leaven | noun | a substance used to produce fermentation in dough or a liquid |