successfulness successfully • succession · · · Info · Definitions · Synonyms · Characters · · successfulness · · Text Latin · · Script 14 · · Length Definitions · · · (noun) the condition of prospering; having good fortune. Synonyms: prosperity. · · Noun Definition 1 Synonyms · · · prosperity · · Synonym 1 Characters · · c latin small letter c U+0063 e latin small letter e U+0065 f latin small letter f U+0066 l latin small letter l U+006C n latin small letter n U+006E s latin small letter s U+0073 u latin small letter u U+0075