actuation

[ak-choo-eyt]

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.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Actuation is always a great word to know.
So is bezoar. Does it mean:
a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison.
an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle.
Collins
World English Dictionary
actuate (ˈæktʃʊˌeɪt)
 
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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