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1. A New Testament book describing the development of the early church from Christ's Ascension to Paul's sojourn at Rome
   - Acts of the Apostles

1. Something that people do or cause to happen
   - deed, human action, human activity
    
2. (law) a legal document codifying the result of deliberations of a committee, society or legislative body
   - enactment
    
3. A subdivision of a play, opera or ballet
    
4. A short performance that is part of a longer program
   "he did his act three times every evening";
   - routine, number, turn, bit
    
5. A manifestation of insincerity
   "he put on quite an act for her benefit"

1. Perform an action; do something
   "think before you act"; "The governor should act on the new energy bill"; "The nanny acted quickly by grabbing the toddler and covering him with a wet towel";
   - move
    
2. Show a certain behaviour; conduct or comport oneself
   "You should act like an adult"; "The dog acts ferocious, but he is really afraid of people";
   - behave, do
    
3. (performing arts) Perform a role or part
   "She wants to act Lady Macbeth, but she is too young for the role";
   - play, represent
    
4. Discharge one's duties
   "She acts as the chair"; "In what capacity are you acting?"
    
5. Pretend to have certain qualities or state of mind
   "He acted the idiot";
   - play, act as
    
6. Be suitable for theatrical performance
   "This scene acts well"
    
7. Have a desired or expected effect or outcome
   "The breaks of my new car act quickly";
   - work
    
8. Be engaged in an activity, often for no particular purpose other than pleasure
    
9. Behave unnaturally or affectedly
   "She's just acting";
   - dissemble, pretend
    
10. (dramaturgy) perform on a stage or theatre
    "She acts in this play"; "He acted in 'Julius Caesar'";
    - play, roleplay, playact

See also: act on, carry on, work

Type of: be, book, bring home the bacon [informal], come through, come up trumps [Brit, informal], deliver the goods, dramatic composition, dramatic work, event, expression, instrument, legal document, legal instrument, manifestation, official document, perform, performance, public presentation, recreate, re-create, reflection, reflexion [Brit], serve, succeed, turn up trumps [Brit, informal], win

Antonym: forbear

Part of: ballet, concert dance, drama, dramatic play, New Testament, opera, play

Encyclopedia: Acts, Human