Definition of actuate
1 : to put into mechanical action or motion The pump is actuated by the windmill.
2 : to move to action a decision actuated by greed
actuationplay \ˌak-chə-ˈwā-shən, -shə-\ noun
Examples of actuate in a sentence
The pump is actuated by the windmill.
a light actuated by a motion detector
Origin and Etymology of actuate
Medieval Latin actuatus, past participle of actuare to execute, from Latin actus act
First Known Use: 1641
Synonym Discussion of actuate
ACTUATE Defined for English Language Learners
Definition of actuate for English Language Learners
: to make (a machine or electrical device) move or operate
: to cause someone to do something or to act in a certain way
Seen and Heard
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