transitive verb proved, proved or proven prov′en, proving prov′·ing

1. to test by experiment, a standard, etc.; subject to a testing process; try out
2. to establish as true; demonstrate to be a fact
3. to establish the validity or authenticity of (esp. a will)
4. to show (oneself) to be capable, dependable, etc.
5. Archaic to experience; learn or know by experience
6. Math. to test or verify the correctness of (a calculation, etc.)
7. Printing to take a proof of (type, etc.)

Etymology: ME proven < OFr prover < L probare: see probe

intransitive verb

1. to be found or shown by experience or trial; turn out to be a guess that proved right
2. Archaic to make trial