Definitions of acting

1. Operating; doing the duties of another, as those of an official; as, the acting chairman.

2. Action: act of performing an assumed or a dramatic part.

3. Playing a part.

4. Action; performance.

5. Operating in any way.

6. Doing duty for another; officiating; as, an acting superintendent.

7. Operating; officiating; doing ( service) in place of another.