Performance (noun)

1. A display of a particular skill or type of activity, especially one that is planned or rehearsed.
2. The action or process of carrying out or accomplishing a task, especially efficiently or successfully.

Origin:

Late middle english (denoting a theatrical representation or a display of horsemanship): via old french from late latin performare "carry out", from per- "thoroughly" + formare "shape, form".

Examples:

1. The performance was a great success.
2. He gave a fantastic performance of Beethoven's Fifth Symphony.
3. The performance of the economy has been strong.
4. She was praised for her performance in the play.
5. The company's performance this quarter was disappointing.