Synonyms/Hypernyms (Ordered by Estimated Frequency) of verb act_upon
1 sense of act upon
Sense 1
influence, act upon, work -- (have and exert influence or effect; "The artist's work influenced the young painter"; "She worked on her friends to support the political candidate")
=> affect, impact, bear upon, bear on, touch on, touch -- (have an effect upon; "Will the new rules affect me?")