plausibleness plausible • plausibly · · · Info · Definitions · Synonyms · Characters · · plausibleness · · Text Latin · · Script 13 · · Length Definitions · · · (noun) apparent validity. Synonyms: plausibility. · · Noun Definition 1 Synonyms · · · plausibility · · Synonym 1 Characters · · a latin small letter a U+0061 b latin small letter b U+0062 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 p latin small letter p U+0070 s latin small letter s U+0073 u latin small letter u U+0075