perform

American Heritage® Dictionary of the English Language, Fourth Edition

1. v. To begin and carry through to completion; do: The surgeon performed the operation.
2. v. To take action in accordance with the requirements of; fulfill: perform one's contractual obligations.
3. v. To enact (a feat or role) before an audience.
4. v. To give a public presentation of; present: My theater group performed a three-act play.
5. v. To carry on; function: a car that performs well on curves.
6. v. To fulfill an obligation or requirement; accomplish something as promised or expected.
7. v. To portray a role or demonstrate a skill before an audience: The juggler performed atop a unicycle.
8. v. To present a dramatic or musical work or other entertainment before an audience.

Century Dictionary and Cyclopedia

1. To effect; execute; accomplish; achieve; carry on or out; do: as, to perform, an act of kindness or a deed of daring; to perform a day's labor; to perform an operation in surgery or in arithmetic.
2. To carry out or do whatever is demanded or required by (duty, a vow, etc.); execute the provisions, commands, or requirements of; put in execution; discharge; fulfil: as, to perform one's duty; to perform a vow; to perform a covenant.
3. To render; do.
4. To act or represent on or as on the stage: as, to perform the part of Hamlet.
5. To make up; constitute; complete.
6. To afford; furnish.
7. To sing, or render on a musical instrument. Synonyms Perform, Accomplish, Effect, Execute, Achieve. These words agree in representing the complete doing of something which is of considerable importance and is set before one's self as a thing to be done. Generally they represent the doing of something in which one is personally interested. Effect most views the outcome as a result; execute most suggests briskness or energy in action; achieve most suggests difficulties triumphed over, with a corresponding excellence in the result. Perform may mean no more than a doing which continues till the work is completed.
8. To act; do or execute something.
9. To act a part; go through or complete any work; especially, to sing or play on a musical instrument, represent a character on the stage, etc.

Wiktionary

1. v. To do something; to execute.
2. v. To do something in front of an audience, often in order to entertain it.

GNU Webster's 1913

1. v. To carry through; to bring to completion; to achieve; to accomplish; to execute; to do.
2. v. To discharge; to fulfill; to act up to
3. v. To represent; to act; to play; as in drama.
4. v. To do, execute, or accomplish something; to acquit one's self in any business; esp., to represent sometimes by action; to act a part; to play on a musical instrument

WordNet 3.0

1. v. carry out or perform an action
2. v. give a performance (of something)
3. v. get (something) done
4. v. perform a function