peaceableness peaceable • peaceably · · · Info · Definitions · Synonyms · Characters · · peaceableness · · Text Latin · · Script 13 · · Length Definitions · · · (noun) a state that is calm and tranquil. Synonyms: peacefulness. · · Noun Definition 1 Synonyms · · · peacefulness · · Synonym 1 Characters · · a latin small letter a U+0061 b latin small letter b U+0062 c latin small letter c U+0063 e latin small letter e U+0065 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