verb (used with object), ventilated, ventilating.
to provide (a room, mine, etc.) with fresh air in place of air that has been used or contaminated.
to oxygenate (blood) by exposure to air in the lungs or gills.
to assist the breathing of (a person), as with a respirator.
(of air or wind) to circulate through or blow on, so as to cool or freshen the air of: Cool breezes ventilated the house.
to expose to the action of air or wind: to ventilate floor timbers.
to submit (a question, problem, etc.) to open, full examination and discussion.
to give utterance or expression to (an opinion, complaint, etc.).
to furnish with a vent or opening, as for the escape of air or gas.
verb (used without object), ventilated, ventilating.
to give utterance or expression to one's emotions, opinions, complaints, etc.

1400–50; late Middle English ventilatten to blow (something) away < Latin ventilātus (past participle of ventilāre to fan), equivalent to vent(us) wind1 + -il- v. suffix (variant of -ul-, orig. after derivatives of nouns ending in -ulus -ule; cf. speculate) + -ātus -ate1

ventilable, adjective
overventilate, verb (used with object), overventilated, overventilating.
reventilate, verb (used with object), reventilated, reventilating.
self-ventilated, adjective
underventilate, verb (used with object), underventilated, underventilating.
underventilated, adjective
unventilated, adjective
well-ventilated, adjective

5. broadcast, publicize, circulate, report.
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
ventilate (ˈvɛntɪˌleɪt)
1.  to drive foul air out of (an enclosed area)
2.  to provide with a means of airing
3.  to expose (a question, grievance, etc) to public examination or discussion
4.  physiol to oxygenate (the blood) in the capillaries of the lungs
5.  to winnow (grain)
[C15: from Latin ventilāre to fan, from ventulus diminutive of ventus wind]

Collins English Dictionary - Complete & Unabridged 10th Edition
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Word Origin & History

c.1440, "to blow away something" (of wind), from L. ventilatus, pp. of ventilare "to brandish, toss in the air, winnow, fan, agitate, set in motion," from ventulus "a breeze," dim. of ventus "wind" (see wind (n.)). Original notion is of cleaning grain by tossing it in the air
and letting the wind blow away the chaff. Meaning "supply a room with fresh air" first recorded 1664 (implied in ventilation). Slang sense of "to shoot" (someone) is recorded from 1875.
Online Etymology Dictionary, © 2010 Douglas Harper
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