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

111 entries under back topic. ×

7
make good(verb, expression, idiom, support, favor)
6
assert(verb, support, show, maintain, favor)
6
check(verb, support, show, determine)
5
approve(verb, support, hold, help, maintain)
5
bolster(verb, support, hold, help, increase)
5
declare(verb, support, show, maintain, determine)
5
guarantee(verb, support, maintain, declare)
5
witness(verb, support, show, maintain, determine)
4
avow(verb, support, maintain, declare)
4
defend(verb, support, hold, help, maintain)
4
maintain(verb, support, hold, help, favor)
4
sanction(noun, verb, support, sign)
4
settle(verb, support, show, determine)
3
assure(verb, support, maintain, declare)
3
attest to(verb, expression, phrasal verb, support, maintain)
3
check out(verb, expression, phrasal verb, support)
3
circumstantiate(verb, support, determine, sign)
3
explain(verb, support, show, determine, favor)
3
hold(verb, help, establish, approve)
3
subscribe(verb, support, sign, explain)
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APASmart Define. (2015). substantiate thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/substantiate/thesaurus/synonyms
ChicagoSmart Define. 2015. "substantiate thesaurus" https://smartdefine.org/substantiate/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, substantiate thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/substantiate/thesaurus/synonyms>.
MLASmart Define. "substantiate thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/substantiate/thesaurus/synonyms>