control

noun

1
the activity of managing or exerting control over something
the control of the mob by the police was admirable
2
(physiology) regulation or maintenance of a function or action or reflex etc
the timing and control of his movements were unimpaired
he had lost control of his sphincters
3
a mechanism that controls the operation of a machine
the speed controller on his turntable was not working properly
I turned the controls over to her
4
discipline in personal and social activities
he was a model of polite restraint
she never lost control of herself
5
power to direct or determine
under control
6
great skillfulness and knowledge of some subject or activity
a good command of French
7
a standard against which other conditions can be compared in a scientific experiment
the control condition was inappropriate for the conclusions he wished to draw
8
the economic policy of controlling or limiting or curbing prices or wages etc.
they wanted to repeal all the legislation that imposed economic controls
9
a spiritual agency that is assumed to assist the medium during a seance
10
a relation of constraint of one entity (thing or person or group) by another
measures for the control of disease
they instituted controls over drinking on campus
11
the state that exists when one person or group has power over another
her apparent dominance of her husband was really her attempt to make him pay attention to her

1
have a firm understanding or knowledge of; be on top of
Do you control these data?

Also useful for “control”:Unscrambler— Rearrange the letters in “control”