Webster’s Revised Unabridged Dictionary · 1913 Provable Prov′a·ble (pro͞ov′ȧ·b'l), a. [See Prove, and cf. Probable.] Capable of being proved; demonstrable. — Prov′a·ble·ness, n. — Prov′a·bly, adv. ‹ Proustite Provand ›