To establish the truth or validity of (something) by the presentation of argument or evidence, To establish by the required amount of evidence, To subject (a gun, for instance) to a test, transitive verb_ To gain experience of the good or evil of; to know by trial; to experience; to suffer, (Printing) To take a trial impression of; to take a proof of, To put to the test, to make trial of, verb_ Simple past of proove, prove formally; demonstrate by a mathematical, formal proof, provide evidence for