credibleness n 1: the quality of being believable or trustworthy [syn: {credibility}, {credibleness}, {believability}] [ant: {incredibility}, {incredibleness}]
Credibleness \Cred"i*ble*ness\, n. The quality or state of being credible; worthiness of belief; credibility. [R.] --Boyle. [1913 Webster]