proven (Adjective) — Established beyond doubt. ex. "a Soviet leader of proven shrewdness" ex. "a proven liar"
proven (Verb) — Be shown or be found to be. ex. "She proved to be right"
proven (Verb) — Make clear the validity of something, as by an example, explanation or experiment. ex. "The experiment proved the instability of the compound"
proven (Verb) — (law) provide evidence for.
proven (Verb) — (mathematics) Demonstrate by a mathematical or formal proof.
proven (Verb) — Put to the test, as for its quality, or give experimental use to. ex. "prove this recipe"
proven (Verb) — Increase in volume. ex. "the dough proved slowly in the warm room"
proven (Verb) — Cause to puff up with a leaven.
proven (Verb) — Take a trial impression of.
proven (Verb) — (law) obtain probate of. ex. "prove a will"