control

verb (used with object), con·trolled, con·trol·ling.

1. to exercise restraint or direction over; dominate; command: The car is difficult to control at high speeds. That zone is controlled by enemy troops.
2. to hold in check; curb: to control a horse; to control one’s emotions.
3. to test or verify (a scientific experiment) by a parallel experiment or other standard of comparison.
4. to eliminate or prevent the flourishing or spread of: to control a forest fire.
5. Obsolete. to check or regulate (transactions), originally by means of a duplicate register.