What is Exercised?

Exercised definition and meaning on Dictionary terms:
bodily or mental exertion, especially for the sake of training or improvement of health: Walking is good exercise.
something done or performed as a means of practice or training: exercises for the piano.

a putting into action, use, operation, or effect: the exercise of caution.
a written composition, musical piece, or artistic work executed for practice or to illustrate a particular aspect of technique.
Often exercises. a traditional ceremony: graduation exercises.
a religious observance or service.

verb (used with object), ex