perform

v. i. 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; as, the players perform poorly; the musician performs on the organ. [ 1913 Webster ]

a. Admitting of being performed, done, or executed; practicable. [ 1913 Webster ]

n. The act of performing; the carrying into execution or action; execution; achievement; accomplishment; representation by action; as, the performance of an undertaking of a duty. [ 1913 Webster ]

Promises are not binding where the performance is impossible. Paley. [ 1913 Webster ]

2. That which is performed or accomplished; a thing done or carried through; an achievement; a deed; an act; a feat; esp., an action of an elaborate or public character. “Her walking and other actual performances.” Shak. “His musical performances.” Macaulay. [ 1913 Webster ]

Syn. -- Completion; consummation; execution; accomplishment; achievement; production; work; act; action; deed; exploit; feat. [ 1913 Webster ]