Action

something done (usually as opposed to something said)

the state of being active

a military engagement

a process existing in or produced by nature (rather than by the intent of human beings)

the series of events that form a plot

the trait of being active and energetic and forceful

the operating part that transmits power to a mechanism

a judicial proceeding brought by one party against another

an act by a government body or supranational organization

the most important or interesting work or activity in a specific area or field

institute legal proceedings against

put in effect