effectualness effectually • effectuate · · · Info · Definitions · Synonyms · Characters · · effectualness · · Text Latin · · Script 13 · · Length Definitions · · · (noun) power to be effective; the quality of being able to bring about an effect. Synonyms: effectiveness, effectivity, effectuality. · · Noun Definition 1 Synonyms · · · effectiveness · · Synonym 1 effectivity · · Synonym 2 effectuality · · Synonym 3 Characters · · a latin small letter a U+0061 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 t latin small letter t U+0074 u latin small letter u U+0075