• To do something.
  • To do (something); to perform.
  • To perform a theatrical role.
  • Of a play: to be acted out (well or badly).
  • To behave in a certain manner for an indefinite length of time.
  • To convey an appearance of being.
  • To do something that causes a change binding on the doer.
  • To have an effect (on).
  • To play (a role).
  • To feign.
  • To map via a homomorphism to a group of automorphisms (of).
  • To move to action; to actuate; to animate.
  • To enact, decree.


Similar words


  • From Middle English acte, from Old French acte, from Latin ācta ("register of events"), plural of āctum, from ago, ultimately from Proto-Indo-European *h₂éǵeti. Compare German Akte ("file"). Partially displaced deed, from Old English dǣd ("act, deed").

Modern English dictionary

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