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necessitate

[nuh-ses-i-teyt]
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verb (used with object), ne·ces·si·tat·ed, ne·ces·si·tat·ing.
  1. to make necessary or unavoidable: The breakdown of the car necessitated a change in our plans.
  2. to compel, oblige, or force: The new wage demand will necessitate a price increase.

Origin of necessitate

1620–30; < Medieval Latin necessitātus, past participle of necessitāre to compel, constrain. See necessity, -ate1
Related formsne·ces·si·ta·tion, nounne·ces·si·ta·tive, adjectivepre·ne·ces·si·tate, verb (used with object), pre·ne·ces·si·tat·ed, pre·ne·ces·si·tat·ing.un·ne·ces·si·tat·ed, adjectiveun·ne·ces·si·tat·ing, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for necessitate

necessitate

verb (tr)
  1. to cause as an unavoidable and necessary result
  2. (usually passive) to compel or require (someone to do something)
Derived Formsnecessitation, nounnecessitative, adjective
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for necessitate

v.

1620s, from Medieval Latin necessitatus, past participle of necessitare "to render necessary," from Latin necessitas (see necessity). Earlier verb in English was necessen (late 14c.). Related: Necessitated; necessitates; necessitating.

Online Etymology Dictionary, © 2010 Douglas Harper