Synonyms|673Antonyms|118|Broader|13Narrower|17Related|401

373 entries under verb topic. ×

2
gain
2
get behind(expression, support, hold, help)
2
have
2
hypostatize(express, realize, appear, represent)
2
indicate(state, show, confirm, prove)
2
legalize(support, favor, sustain, confirm)
2
legitimize(support, favor, sustain, confirm)
2
make
2
make legal(expression, endorse, prove, verify)
2
nurture
2
observe
2
okay(support, maintain, back, declare)
2
particularize
2
patronize
2
prolong
2
reassert
2
recognize
2
reify(express, idea, realize, prove)
2
rubber-stamp(support, maintain, back, declare)
2
second(hold, help, maintain, establish)
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APASmart Define. (2015). substantiate thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/substantiate/thesaurus/synonyms
ChicagoSmart Define. 2015. "substantiate thesaurus" https://smartdefine.org/substantiate/thesaurus/synonyms (accessed September 25, 2026).
HarvardSmart Define 2015, substantiate thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/substantiate/thesaurus/synonyms>.
MLASmart Define. "substantiate thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/substantiate/thesaurus/synonyms>