verb (used with object), pervaded, pervading.
to become spread throughout all parts of: Spring pervaded the air.

1645–55; < Latin pervādere to pass through, equivalent to per- per- + vādere to go, walk

pervader, noun
pervadingly, adverb
pervadingness, noun
pervasion [per-vey-zhuhn] , noun
pervasive [per-vey-siv] , adjective
interpervade, verb (used with object), interpervaded, interpervading.
unpervaded, adjective
unpervading, adjective

diffuse, fill. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
pervade (pɜːˈveɪd)
(tr) to spread through or throughout, esp subtly or gradually; permeate
[C17: from Latin pervādere, from per- through + vādere to go]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Word Origin & History

1650s, from L. pervadere "spread or go through," from per- "through" + vadere "to go" (see vamoose).
Online Etymology Dictionary, © 2010 Douglas Harper
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Example sentences
The universe is expanding, being thrust apart by some mysterious “dark
  energy”, minute traces of which pervade all space.
In this version of the old story, quiet menace seems to pervade every scene.
In fact, steer clear of the negativity that can pervade academia.
And this principle must pervade the whole plan.
Related Words
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