5
defensible(adjective, sound, reasonable, rational, legal)
5
endorse
5
legislative(adjective, legal, legality)
5
rational(adjective, clear, sound, reasonable, honest)
5
recognized(adjective, sound, proper, authentic, accepted)
5
trustworthy(adjective, good, open, sound, correct)
5
validate
5
warranted(adjective, proper, regular, authentic, valid)
4
appropriate(adjective, good, correct, right, honest)
4
authorize
4
credible(good, sound, correct, right, real)
4
de jure(expression, adjective, idiom)
4
equitable(adjective, good, correct, right, reasonable)
4
faithful(adjective, good, sound, correct, right)
4
judicial(adjective, legal)
4
legalized(permission, dueness, legality)
4
normal(adjective, correct, right, reasonable, appropriate)
4
original(adjective, good, sound, right, reasonable)
4
received(adjective, sound, right, proper, authentic)
4
sanction
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APASmart Define. (2016). legitimate thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/legitimate/thesaurus/synonyms
ChicagoSmart Define. 2016. "legitimate thesaurus" https://smartdefine.org/legitimate/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, legitimate thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/legitimate/thesaurus/synonyms>.
MLASmart Define. "legitimate thesaurus" 31 March 2016. Web. 23 September 2026. <https://smartdefine.org/legitimate/thesaurus/synonyms>