[1] : The Collaborative International Dictionary of English v.0.48

act \act\, v. t. imp.  p. p. acted; p. pr.  vb. n.
   acting. l. actus, p. p. of agere to drive, lead, do; but
   influenced by e. act, n.
   1. to move to action; to actuate; to animate. obs.
      1913 webster

            self-love, the spring of motion, acts the soul.
                                                  --pope.
      1913 webster

   2. to perform; to execute; to do. archaic
      1913 webster

            that we act our temporal affairs with a desire no
            greater than our necessity.           --jer. taylor.
      1913 webster

            industry doth beget by producing good habits, and
            facility of acting things expedient for us to do.
                                                  --barrow.
      1913 webster

            uplifted hands that at convenient times
            could act extortion and the worst of crimes.
                                                  --cowper.
      1913 webster

   3. to perform, as an actor; to represent dramatically on the
      stage.
      1913 webster

   4. to assume the office or character of; to play; to
      personate; as, to act the hero.
      1913 webster

   5. to feign or counterfeit; to simulate.
      1913 webster

            with acted fear the villain thus pursued. --dryden.
      1913 webster

   to act a part, to sustain the part of one of the characters
      in a play; hence, to simulate; to dissemble.

   to act the part of, to take the character of; to fulfill
      the duties of.
      1913 webster
see also:
acted acting to act a part to act the part of 

Act >> A Words
Act, definition of term: Act
act_pag1.html

Act Up >> A Words
Act Up, definition of term: Act Up
act+up_pag1.html

Act Out >> A Words
Act Out, definition of term: Act Out
act+out_pag1.html

Act On >> A Words
Act On, definition of term: Act On
act+on_pag1.html

Act Of God >> A Words
Act Of God, definition of term: Act Of God
act+of+god_pag1.html