1 Action for Children's Television
2 American College Test
3 Association of Classroom Teachers
4 Abbreviation for Australian Capital Territory.

ETYM Latin actus, from agere to drive, do: cf. French acte. Related to Agent.
1. Something that people do or cause to happen; SYN. human action, human activity.
2. A manifestation of insincerity.
3. A short theatrical performance that is part of a longer program; SYN. routine, number, turn, bit.
4. A subdivision of a play or opera or ballet.
5. A legal document codifying the result of deliberations of a committee or society or legislative body; SYN. enactment.
In drama, the principal division of a play, usually marking a change of location, time, or mood. Acts are subdivided into scenes. All Shakespeare's plays are printed in five acts. The majority of modern plays are divided into three acts.

To be suitable for theatrical performance:
To perform on a stage or theater; SYN. play, act as.

1. Perform an action, or work out or perform (an action)
2. To behave in a certain manner; show a certain behavior; conduct or comport oneself; SYN. behave, do.
3. To discharge one's duties
4. To perform an action; SYN. move.
5. Pretend to have certain qualities or state of mind
6. Be engaged in an activity, often for no particular purpose other than pleasure
7. Have an effect or outcome; often the one desired or expected

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

1. To function as or act like
2. Pretend to have certain qualities or state of mind