—v.t. 1. to force or drive, esp. to a course of action: His disregard of the rules compels us to dismiss him. 2. to secure or bring about by force.
3. to force to submit; subdue.
4. to overpower.
5. Archaic.to drive together; unite by force; herd.
—v.i. 1. to use force.
2. to have a powerful and irresistible effect, influence, etc.