action

Sense 1 noun

something done (usually as opposed to something said)

there were stories of murders and other unnatural actions

Sense 2 verb

institute legal proceedings against; file a suit against

He was warned that the district attorney would process him

Sense 3 noun

the state of being active

his sphere of activity

Sense 4 verb

put in effect

carry out a task

Sense 5 noun

a military engagement

he saw action in Korea

Sense 6 noun

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

the action of natural forces

Sense 7 noun

the series of events that form a plot

his novels always have a lot of action

Sense 8 noun

the trait of being active and energetic and forceful

a man of action

Sense 9 noun

the operating part that transmits power to a mechanism

the piano had a very stiff action

Sense 10 noun

a judicial proceeding brought by one party against another; one party prosecutes another for a wrong done or for protection of a right or for prevention of a wrong

Sense 11 noun

an act by a government body or supranational organization

recent federal action undermined the segregationist position

Sense 12 noun

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

the action is no longer in technology stocks but in municipal bonds