Control

power to direct or determine

a relation of constraint of one entity (thing or person or group) by another

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

a standard against which other conditions can be compared in a scientific experiment

the activity of managing or exerting control over something

the state that exists when one person or group has power over another

discipline in personal and social activities

great skillfulness and knowledge of some subject or activity

a mechanism that controls the operation of a machine

a spiritual agency that is assumed to assist the medium during a seance

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

exercise authoritative control or power over

lessen the intensity of

handle and cause to function

maintain influence over (others or oneself) skillfully, usually to one's advantage

check or regulate (a scientific experiment) by conducting a parallel experiment or comparing with another standard

place under restrictions

verify by using a duplicate register for comparison

be careful or certain to do something

have a firm understanding or knowledge of