To use (somebody for a job, or something for a task).
To hire (somebody for work or a job).
To make busy.
The state of being an employee; employment.
To occupy the attention and effort of; to task; to tax, especially in a painful or vexatious manner; harass; to vex; to worry or make anxious.
To use (a right, an option, etc.); to put into practice.
To exert for the sake of training or improvement; to practice in order to develop.
To perform physical activity for health or training.
Activity intended to improve physical, or sometimes mental, strength and fitness.
The performance of an office, ceremony, or duty.
Any activity designed to develop or hone a skill or ability.
A setting in action or practicing; employment in the proper mode of activity; exertion; application; use.