act

pretend to have certain qualities or state of mind

“He acted the idiot”

play a role or part

“She wants to act Lady Macbeth, but she is too young for the role”

a manifestation of insincerity

“he put on quite an act for her benefit”

a subdivision of a play or opera or ballet

be engaged in an activity, often for no particular purpose other than pleasure

be suitable for theatrical performance

“This scene acts well”

discharge one's duties

“She acts as the chair”

behave unnaturally or affectedly

“She's just acting”

something that people do or cause to happen

a legal document codifying the result of deliberations of a committee or society or legislative body

perform an action, or work out or perform (an action)

“think before you act”

a short performance that is part of a longer program

“he did his act three times every evening”