Verb

1. behave in a certain manner; show a certain behavior; conduct or comport oneself
2. pretend to have certain qualities or state of mind
3. discharge one's duties
4. play a role or part
5. perform on a stage or theater
6. behave unnaturally or affectedly
7. perform an action, or work out or perform (an action)
8. be engaged in an activity, often for no particular purpose other than pleasure
9. have an effect or outcome; often the one desired or expected
10. be suitable for theatrical performance

Noun

1. something that people do or cause to happen
2. a legal document codifying the result of deliberations of a committee or society or legislative body
3. a short theatrical performance that is part of a longer program
4. a subdivision of a play or opera or ballet
5. a manifestation of insincerity