2
make legal(verb, prohibit, proscribe, outlaw)
2
morganatic
2
permitted
2
proper
2
rational
2
reasonable
2
righteous
2
sound
2
virtuous
2
warranted
2
well-founded
2
well-grounded
1
abetted
1
allowed
1
analytic
1
approved
1
blessed
1
certain
1
clear
1
cogent
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APASmart Define. (2015). illegitimate thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/illegitimate/thesaurus/antonyms
ChicagoSmart Define. 2015. "illegitimate thesaurus" https://smartdefine.org/illegitimate/thesaurus/antonyms (accessed September 26, 2026).
HarvardSmart Define 2015, illegitimate thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/illegitimate/thesaurus/antonyms>.
MLASmart Define. "illegitimate thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/illegitimate/thesaurus/antonyms>