- Adjective. Temporarily assuming the duties or authority of another person when they are unable to do their job.
- Verb. (present participle of, act) .
- Noun. An intended action or deed.
- Noun. Pretending.
- Noun. (drama) The occupation of an actor.
- Noun. (legal) The deeds or actions of parties are called actings to avoid confusion with the legal senses of deeds and actions.