P'ASSABLE, adjective That may be passed, traveled or navigated. The roads are not passable The stream is passable in boats. 1. That may be penetrated; as a substance passable by a fluid. 2. Current; receivable; that may be or is transferred from hand to hand; as bills passable in lieu of coin. False coin is not passable 3. Popular; well received. 4. Supportable. [This should be passible.]
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI