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See more synonyms for proponent on Thesaurus.com
  1. a person who puts forward a proposition or proposal.
  2. a person who argues in favor of something; an advocate.
  3. a personwho supports a cause or doctrine; adherent.
  4. a person who propounds a legal instrument, such as a will for probate.
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Origin of proponent

First recorded in 1580–90, proponent is from the Latin word prōpōnent- (stem of prōpōnēns). See propone, -ent
Can be confusedantagonist proponent protagonist

Synonyms for proponent

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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for proponent

enthusiast, exponent, patron, partisan, advocate, backer, defender, protector, supporter, champion, spokesperson, subscriber, second, friend, expounder, seconder, upholder, vindicator

Examples from the Web for proponent

Contemporary Examples of proponent

Historical Examples of proponent

British Dictionary definitions for proponent


  1. a person who argues in favour of something
  2. law a person who seeks probate of a will
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Word Origin for proponent

C16: from Latin prōpōnere to propose
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 proponent


1580s, "one who brings forth a proposition or argument," from Latin proponentem (nominative proponens), present participle of proponere "put forward" (see propound). In part also a native formation from propone. As an adjective from 1680s.

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Online Etymology Dictionary, © 2010 Douglas Harper