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actuate

verb

ac·​tu·​ate ˈak-chə-ˌwāt How to pronounce actuate (audio)
-shə-
actuated; actuating

transitive verb

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
actuation
ˌak-chə-ˈwā-shən How to pronounce actuate (audio)
-shə-
noun

Synonyms

Choose the Right Synonym for actuate

move, actuate, drive, impel mean to set or keep in motion.

move is very general and implies no more than the fact of changing position.

moved the furniture

actuate stresses transmission of power so as to work or set in motion.

turbines actuated by waterpower

drive implies imparting forward and continuous motion and often stresses the effect rather than the impetus.

a ship driven aground by hurricane winds

impel is usually figurative and suggests a great motivating impetus.

a candidate impelled by ambition

Example Sentences

The pump is actuated by the windmill. a light actuated by a motion detector
Recent Examples on the Web As the collective voice for many different businesses and institutions, the Outdoor Industry Association is the most likely professional group to actuate efforts to encourage DEI nationwide. James Edward Mills, Outside Online, 9 Mar. 2019 Typical mechanical switches actuate when two pieces of metal make contact. Scharon Harding, Ars Technica, 21 June 2022 Compared to a full-size Cherry MX Brown switch (4 mm / 2 mm / 55 g), the MX Keys Mechanical's brown switches felt quicker to actuate and return, likely due to the shorter travel. Scharon Harding, Ars Technica, 24 May 2022 Optical mechanical switches actuate based on whether or not the switch's stem is passing through a light beam in the switch's housing. Scharon Harding, Ars Technica, 28 Mar. 2022 For comparison, Cherry's most common tactile mechanical switches (MX Browns) have the same specs but actuate at 2 mm with more force, 55 g. Scharon Harding, Ars Technica, 23 Feb. 2022 The keyboard has reed switches, which use magnets to actuate. Scharon Harding, Ars Technica, 3 Dec. 2021 In a side-by-side comparison with Cherry MX Browns, the G413 SE's switches felt lighter to actuate with a less prominent bump that was easier to press through. Scharon Harding, Ars Technica, 23 Feb. 2022 According to the full-size SE keyboard's product page, the switches actuate at 1.9 mm with 50 g of force and bottom out at 4 mm. Scharon Harding, Ars Technica, 25 Jan. 2022 See More

Word History

Etymology

borrowed from Medieval Latin āctuātus, past participle of āctuāre "to actualize," verbal derivative of Latin āctus act entry 1

First Known Use

1641, in the meaning defined at sense 1

Time Traveler
The first known use of actuate was in 1641

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