have a firm understanding or knowledge of; be on top of; "Do you control these data?" Synonyms: master,
be careful or certain to do something; make certain of something; "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, ascertain, assure,
verify by using a duplicate register for comparison; "control an account"
handle and cause to function; "do not operate machinery after imbibing alcohol"; "control the lever" Synonyms: operate,
control (others or oneself) or influence skillfully, usually to one''s advantage; "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,
exercise authoritative control or power over; "control the budget"; "Command the military forces" Synonyms: command,
lessen the intensity of; temper; hold in restraint; hold or keep within limits; "moderate your alcohol intake"; "hold your tongue"; "hold your temper"; "control your anger" Synonyms: hold in, hold, contain, check, curb, moderate,
check or regulate (a scientific experiment) by conducting a parallel experiment or comparing with another standard; "Are you controlling for the temperature?" Synonyms: verify,