establish the validity of something, as by an example, explanation or experiment | authenticate, affirm to be true, genuine, or correct, as in an official capacity |
obtain probate of | provide evidence for; stand as proof of; show by one's behavior, attitude, or external attributes |
prove formally; demonstrate by a mathematical, formal proof | give testimony in a court of law |
provide evidence for | establish or verify the usage of |
take a trial impression of | |
cause to puff up with a leaven | |
increase in volume | |
put to the test, as for its quality, or give experimental use to | |
be shown or be found to be | |