What is the meaning of controlling?

verb

• Exercise authoritative control or power over.
  • usage: "control the budget"; "Command the military forces"
  • synonyms: control, command
• Lessen the intensity of; temper; hold in restraint; hold or keep within limits.
  • usage: "moderate your alcohol intake"; "hold your tongue"; "hold your temper"; "control your anger"
  • synonyms: control, hold in, hold, contain, check, curb, moderate
• Handle and cause to function.
  • usage: "do not operate machinery after imbibing alcohol"; "control the lever"
  • synonyms: operate, control
• Control (others or oneself) or influence skillfully, usually to one's advantage.
  • usage: "She manipulates her boss"; "She is a very controlling mother and doesn't let her children grow up"; "The teacher knew how to keep the class in line"; "she keeps in line"
  • synonyms: manipulate, keep in line, control
• Check or regulate (a scientific experiment) by conducting a parallel experiment or comparing with another standard.
  • usage: "Are you controlling for the temperature"
  • synonyms: control, verify
• Verify by using a duplicate register for comparison.
  • usage: "control an account"
  • synonyms: control
• Be careful or certain to do something; make certain of something.
  • usage: "He verified that the valves were closed"; "See that the curtains are closed"; "control the quality of the product"
  • synonyms: see, check, insure, see to it, ensure, control, ascertain, assure
• Have a firm understanding or knowledge of; be on top of.
  • usage: "Do you control these data"
  • synonyms: master, control

adjective

• Able to control or determine policy.
  • usage: "a controlling interest in the firm"