credibleness credible • credibly · · · Info · Definitions · Synonyms · Characters · · credibleness · · Text Latin · · Script 12 · · Length Definitions · · · (noun) the quality of being believable or trustworthy. Synonyms: credibility, believability. · · Noun Definition 1 Synonyms · · · credibility · · Synonym 1 believability · · Synonym 2 Characters · · b latin small letter b U+0062 c latin small letter c U+0063 d latin small letter d U+0064 e latin small letter e U+0065 i latin small letter i U+0069 l latin small letter l U+006C n latin small letter n U+006E r latin small letter r U+0072 s latin small letter s U+0073