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
Until then the subsidy simply perpetuates the current uneconomical technology.
Although this article professes to clarify a number of myths about organic, it
  actually perpetuates them.
The administration's decision to delay implementation of a new ozone standard
  perpetuates uncertainty.
And their presence perpetuates their need for future generations.
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