ac·tu·ate

[ak-choo-eyt]
verb (used with object), ac·tu·at·ed, ac·tu·at·ing.
1.
to incite or move to action; impel; motivate: actuated by selfish motives.
2.
to put into action; start a process; turn on: to actuate a machine.

Origin:
1590–1600; < Medieval Latin āctuāt(us) reduced to action (past participle of āctuāre), equivalent to Latin āctu(s) (see act) + -ātus -ate1

ac·tu·a·tion, noun
de·ac·tu·ate, verb (used with object), de·ac·tu·at·ed, de·ac·tu·at·ing.
self-ac·tu·at·ing, adjective
un·ac·tu·at·ed, adjective

activate, actuate, stimulate.
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Based on the Random House Dictionary, © Random House, Inc. 2013.
Cite This Source Link To actuate
00:10
Actuate is always a great word to know.
So is zedonk. Does it mean:
the offspring of a zebra and a donkey.
a scrap or morsel of food left at a meal.
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World English Dictionary
actuate (ˈæktʃʊˌeɪt) [Click for IPA pronunciation guide]
 
vb
1.  to put into action or mechanical motion
2.  to motivate or incite into action: actuated by unworthy desires
 
[C16: from Medieval Latin actuātus, from actuāre to incite to action, from Latin āctusact]
 
actu'ation
 
n
 
'actuator
 
n

Collins English Dictionary - Complete & Unabridged 10th Edition
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Example sentences
Calls shall register with nursing staff and shall actuate a visible signal in
  the corridor at the patients' door.
The high boom switch also failed to actuate the automatic shut-off valve.
Hydraulic fluid is used to actuate valves that allow steam to be transmitted to
  the turbine for the generation of electricity.
Provide pressure sensitive alarm switch to actuate the fire alarm system.
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