Definition of "Action" :

noun: something done (usually as opposed to something said)

"There were stories of murders and other unnatural actions."

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."

noun: a military engagement

"He saw action in Korea."

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

noun: an act by a government body or supranational organization

"Recent federal action undermined the segregationist position."

noun: the operating part that transmits power to a mechanism

"The piano had a very stiff action."

noun: the trait of being active and energetic and forceful

"A man of action."

noun: the series of events that form a plot

"His novels always have a lot of action."

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

"The action of natural forces."

noun: the state of being active

"He is out of action."

verb: put in effect

"He actioned the operation."

verb: institute legal proceedings against; file a suit against

"She actioned the company for discrimination."