• Act/Power is a philosophical notion defined by Aristotle and known as entelechy
• Act (band)
  Act (band)
  Act were a short-lived synthpop group signed to ZTT Records in the late 1980s, and comprising Thomas Leer and ex-Propaganda vocalist Claudia Brücken. Besides electro-pop and disco the group were also influenced by psychedelic rock and musical theatre...
  
  , a British band
• Act (document)
  Act (document)
  An act is an instrument that records a fact or something that has been said, done, or agreed. Acts generally take the form of legal instruments of writing that have probative value and executory force...
  
  , a document recording the legality of a transaction or contract
• Act of Parliament
  Act of Parliament
  An Act of Parliament is a statute enacted as primary legislation by a national or sub-national parliament. In the Republic of Ireland the term Act of the Oireachtas is used, and in the United States the term Act of Congress is used.In Commonwealth countries, the term is used both in a narrow...
  
  , Act of Congress
  Act of Congress
  An Act of Congress is a statute enacted by government with a legislature named "Congress," such as the United States Congress or the Congress of the Philippines....
  
   or Act of Tynwald
  Act of Tynwald
  An Act of Tynwald is a statute passed by Tynwald, the parliament of the Isle of Man.-Structure:Acts of Tynwald are structured in a similar format to Acts of the Parliament of the United Kingdom.-Commencement:...
  
  , a statute or law passed by a legislature
• Act (drama), a segment of a performance, such as a play or opera
• Act or Acts, an obsolete name for the defence of theses at the University of Oxford and University of Cambridge
• Acting
  Acting
  Acting is the work of an actor or actress, which is a person in theatre, television, film, or any other storytelling medium who tells the story by portraying a character and, usually, speaking or singing the written text or play....
  
  , action of an actor in a theatrical performance
• Acting (law)
  Acting (law)
  In law, when someone is said to be acting in a position it can mean one of three things.*The position has not yet been formally created.*The person is only occupying the position temporarily, to ensure continuity.*The person does not have a mandate....
  
  , in law when someone is acting in a position of higher expenses
• Acting (rank)
  Acting (rank)
  An Acting rank, is a military designation allowing an commissioned- or non-commissioned officer to assume a rank—usually higher and usually temporary—with the pay and allowances appropriate to that grade. As such, an officer may be ordered back to the previous grade...
  
  , in the military when someone assumes a higher rank temporarily
• Act or S-act, the action of a monoid on a set, or a semiautomaton.
• ISO 639-3 language code for Achterhooks
  Achterhooks
  Achterhooks is a Dutch Low Saxon dialect....
  
  

• Acts of the Apostles
  Acts of the Apostles
  The Acts of the Apostles , usually referred to simply as Acts, is the fifth book of the New Testament; Acts outlines the history of the Apostolic Age...
  
  , a book of the Christian New Testament
• Sage ACT!
  ACT!
  Sage ACT! is a customer relationship management software application which is used to keep track of client and prospect details in a single database that can be shared by multiple users...
  
  , a customer relationship management software

See also

• ACT (disambiguation)
• ACTS (disambiguation)
• ACTE (disambiguation)