Compel (verb)

1. To force or strongly urge someone to do something.
2. To make it necessary for someone to do something.

Origin:

From the latin word "compellere" meaning "to drive together" or "to force".

Examples:

1. The evidence compelled him to confess.
2. The circumstances compelled her to leave her job.
3. The court compelled him to testify.
4. His conscience compelled him to speak the truth.
5. The urgency of the situation compelled them to take immediate action.