88 entries under noun topic. ×

4
vindicator(person, advocate, champion, hero)
3
proposer(supporter, sponsor, backer, fighter)
3
booster(support, advocate, supporter, fan)
3
counsel(supporter, sponsor, backer, fighter)
3
pro(person, debate, supporter)
3
subscriber
2
justifier
2
ally(advocate, fan, follower, champion)
2
apostle(advocate, supporter, sponsor, backer)
2
counselor
2
devotee(fan, follower, partisan, stalwart)
2
endorser(stay, advocate, champion, partisan)
2
espouser(support, stay, rock, champion)
2
helper(support, double, fan, follower)
2
hero(champion, winner, defender, champ)
2
ideologue
2
index
2
seconder(support, person, advocate, supporter)
2
spokesman
2
spokeswoman
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APASmart Define. (2015). proponent thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/proponent/thesaurus/synonyms
ChicagoSmart Define. 2015. "proponent thesaurus" https://smartdefine.org/proponent/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, proponent thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/proponent/thesaurus/synonyms>.
MLASmart Define. "proponent thesaurus" 13 April 2015. Web. 27 September 2026. <https://smartdefine.org/proponent/thesaurus/synonyms>