prove
prove \'pru:v\ \'pru:-v*n, Brit also 'pro--\ \'pru:-vin\ vb or proved; or
proved; or prov.en or prov.ing [ME proven, fr. OF prover, fr. L probare to
test, approve, pr]ove, fr. probus good, honest, fr. pro- for, in favor +
-bus (akin to OE be-on to be) archaic 1: EXPERIENCE 2: to try or
ascertain by an experiment or a standard; esp : to su bject to a technical
testing process 3a: to establish the truth or validity of by evidence or
demonstration 3b: to check the correctness of (as an arithmetic operation)
4a: to ascertain the genuineness of : VERIFY; specif : to obtain probate
of (a will) 4b: PROOF : to turn out esp. after trial or test