What does the word act mean?

Usage examples for act

  1. Act in a play. – Signora Fantastici by Madame de Stael, translated by Frank J. Morlock
  2. But how to act? – The Crisis, Complete by Winston Churchill Last Updated: March 6, 2009
  3. My dear, they do not act like married people. – The Window-Gazer by Isabel Ecclestone Mackay