2
depose(verb, evince)
2
detail
2
double-check(verb, support, back, confirm, explain)
2
earn
2
encourage(restore, corroborate, hearten)
2
endure
2
excuse(noun, verb, support, maintain, favor)
2
exemplify(verb, complete, character, express, realize)
2
flesh
2
foul
2
gain
2
get behind(verb, expression, support, hold, help)
2
give a tryout(expression, idiom, check, examine, try)
2
give high sign(expression, idiom, support, back, sign)
2
have
2
hypostatize(verb, express, realize, appear, represent)
2
indicate(verb, state, show, confirm, prove)
2
indorse
2
legalize(verb, support, favor, sustain, confirm)
2
legitimize(verb, support, favor, sustain, confirm)
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APASmart Define. (2015). substantiate thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/substantiate/thesaurus/synonyms
ChicagoSmart Define. 2015. "substantiate thesaurus" https://smartdefine.org/substantiate/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, substantiate thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/substantiate/thesaurus/synonyms>.
MLASmart Define. "substantiate thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/substantiate/thesaurus/synonyms>