act upon act up • acture · · · Info · Definitions · Synonyms · Characters · · act upon · · Text Common · · Latin · · Scripts 8 · · Length 3 · · Syllables Definitions · · · (verb) have and exert influence or effect. Synonyms: influence, act upon, work. Examples: "The artist's work influenced the young painter." "She worked on her friends to support the political candidate." · · Verb Definition 1 Synonyms · · · influence · · Synonym 1 work · · Synonym 2 Characters · · space U+0020 a latin small letter a U+0061 c latin small letter c U+0063 n latin small letter n U+006E o latin small letter o U+006F p latin small letter p U+0070 t latin small letter t U+0074 u latin small letter u U+0075