verb (used with object), perpetuated, perpetuating.
to make perpetual.
to preserve from extinction or oblivion: to perpetuate one's name.

1520–30; < Latin perpetuātus (past participle of perpetuāre, derivative of perpetuus uninterrupted). See perpetual, -ate1

perpetuable, adjective
perpetuation, perpetuance [per-pech-oo-uhns] , noun
perpetuator, noun
nonperpetuance, noun
nonperpetuation, noun
unperpetuable, adjective
unperpetuated, adjective
unperpetuating, adjective

perpetrate, perpetuate.

2. save, maintain, sustain. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
perpetuate (pəˈpɛtjʊˌeɪt)
(tr) to cause to continue or prevail: to perpetuate misconceptions
[C16: from Latin perpetuāre to continue without interruption, from perpetuusperpetual]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Word Origin & History

1520s, from pp. stem of L. perpetuare, from perpetuus (see perpetual).
Online Etymology Dictionary, © 2010 Douglas Harper
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Example sentences
The people who administer the system, the heirs of those who devised it, stand
  to gain enormously from its perpetuation.
For me, one of the hardest things to grapple with is the media's perpetuation
  of popular myths.
It is an endless cycle of aid dependence and perpetuation.
The shrinking of our world into a global village has not stopped the
  perpetuation of misconceptions.
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