Definitions from Wordnet 2.0

• something done (usually as opposed to something said); "there were stories of murders and other unnatural actions"
• 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"; "gawkers always try to get as close to the action as possible"
• a military engagement; "he saw action in Korea"
• 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
• an act by a government body or supranational organization; "recent federal action undermined the segregationist position"; "the United Nations must have the power to propose and organize action without being hobbled by irrelevant issues"; "the Union actio
• the operating part that transmits power to a mechanism; "the piano had a very stiff action"
• the trait of being active and energetic and forceful; "a man of action"
• the series of events that form a plot; "his novels always have a lot of action"
• a process existing in or produced by nature (rather than by the intent of human beings); "the action of natural forces"; "volcanic activity"
• the state of being active; "his sphere of activity"; "he is out of action"
• put in effect; "carry out a task"; "execute the decision of the people"; "He actioned the operation"
• institute legal proceedings against; file a suit against; "He was warned that the district attorney would process him"; "She actioned the company for discrimination"

Definitions from Wiktionary

• something done (usually as opposed to something said); "there were stories of murders and other unnatural actions" ,
• the state of being active; "his sphere of activity"; "he is out of action" ,
• 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 ,
• an act by a government body or supranational organization; "recent federal action undermined the segregationist position"; "the United Nations must have the power to propose and organize action without being hobbled by irrelevant issues"; "the Union action of emancipating Southern slaves" ,
• a military engagement; "he saw action in Korea" ,
• a process existing in or produced by nature (rather than by the intent of human beings); "the action of natural forces"; "volcanic activity" ,
• the series of events that form a plot; "his novels always have a lot of action" ,
• the operating part that transmits power to a mechanism; "the piano had a very stiff action" ,
• the trait of being active and energetic and forceful; "a man of action" , 10. 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"; "gawkers always try to get as close to the action as possible"

• ACTION: ACTION is a public bus service operating in Canberra , ACT , Australia . It is operated by the ACT Department of Territory and Municipal ...
• Action: Action may refer to: Action theory (philosophy), concerning the processes causing intentional (willful) human bodily movements ...
• Action!: Action! may refer to: Action! (programming language), a programming language for the Atari 8-bit family of microcomputers ...
• Action film: Action film is a film genre where one or more heroes is thrust into a series of challenges that require physical feats, extended fight s ...
• Action game: Action game is a video game genre that emphasizes physical challenges, including hand–eye coordination and reaction-time. important action ...
• Action (fiction): The word action has more than one meaning in fiction . Action is one of the fiction-writing modes authors use to present fiction. ...
• Group action: In algebra and geometry , a group action is a way of describing symmetries of objects using groups . The essential elements of the ...
• Action-adventure game: An action-adventure game is a video game that combines elements of the adventure game genre with various action game elements. ...
• Action role-playing game: Action role-playing games (abbreviated action RPG, action/RPG, or ARPG) form a loosely defined sub-genre of role-playing video game s that ...
• Class action: In law , a class action, a class suit, or a representative action is a form of lawsuit in which a large group of people collectively bring ...

• Iran threatens legal action against Google - New York Post
  TEHRAN -- Iran on Thursday threatened legal action against Google after becoming angered by the US internet giant's choice of names on its mapping software. The name of the patch of water between Iran and the Arabian peninsula is a contentious issue, with ... Read more on this news related to 'Action'
• Schwab to hold off enforcing class action waivers - Reuters
  (Reuters) - Charles Schwab Corp plans to wait until the end of a disciplinary proceeding before enforcing a change in its customer agreement requiring investors to give up class action rights, a spokeswoman said on Thursday. The San Francisco ... Read more on this news related to 'Action'
• JPMorgan Chase hit with class-action lawsuit over $2B in trading losses - Washington Post
  A class-action lawsuit was filed Tuesday against JPMorgan Chase on behalf of investors accusing the bank of misleading shareholders about the $2 billion in trading losses that have roiled the company this week. Lawyers said the bank did not ... Read more on this news related to 'Action'