Definitions of control:

• noun:   the activity of managing or exerting control over something

  Example: "The control of the mob by the police was admirable"

• noun:   (physiology) regulation or maintenance of a function or action or reflex etc

  Example: "The timing and control of his movements were unimpaired"

• noun:   a mechanism that controls the operation of a machine

  Example: "The speed control on his turntable was not working properly"

• noun:   power to direct or determine

  Example: "Under control"

• noun:   the economic policy of controlling or limiting or curbing prices or wages etc.

  Example: "They wanted to repeal all the legislation that imposed economic controls"

• noun:   a spiritual agency that is assumed to assist the medium during a seance
• noun:   a relation of constraint of one entity (thing or person or group) by another

  Example: "Measures for the control of disease"

• noun:   discipline in personal and social activities

  Example: "She never lost control of herself"

• noun:   great skillfulness and knowledge of some subject or activity
• noun:   a standard against which other conditions can be compared in a scientific experiment

  Example: "The control condition was inappropriate for the conclusions he wished to draw"

• noun:   the state that exists when one person or group has power over another
• verb:   exercise authoritative control or power over

  Example: "Control the budget"

• verb:   lessen the intensity of; temper; hold in restraint; hold or keep within limits

  Example: "Control your anger"

• verb:   verify or regulate by conducting a parallel experiment or comparing with another standard, of scientific experiments

  Example: "Are you controlling for the temperature?"

• verb:   verify by using a duplicate register for comparison

  Example: "Control an account"

• verb:   have a firm understanding or knowledge of; be on top of

  Example: "Do you control these data?"

• verb:   handle and cause to function

  Example: "Control the lever"

• verb:   control (others or oneself) or influence skillfully, usually to one's advantage

  Example: "She is a very controlling mother and doesn't let her children grow up"

• verb:   be careful or certain to do something; make certain of something

  Example: "Control the quality of the product"