control

The power or ability to direct or influence the behavior of something or someone, or the course of events. It can also refer to a means of restraint or regulation.

• The manager lost control of the project due to poor planning. — The manager lost the ability to direct the project.
• The remote control allows you to operate the television from a distance. — A device used to regulate another device.
• Strict quality control is essential in manufacturing. — Rigorous regulation to ensure standards are met.

To exercise power or influence over; to direct or regulate. It also means to restrain or keep within limits.

• The government struggled to control the rising inflation. — The government had difficulty regulating inflation.
• She learned to control her emotions during difficult times. — She learned to restrain her feelings.
• The pilot must control the aircraft throughout the flight. — The pilot must direct the aircraft.