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

111 entries under back topic. ×

2
asseverate(verb, support, maintain, declare)
2
contend(verb, support, maintain, favor)
2
debunk(verb, support, sign, idea)
2
double-check(verb, support, confirm, explain)
2
get behind(verb, expression, support, hold, help)
2
give high sign(expression, idiom, support, sign)
2
okay(verb, support, maintain, declare)
2
rubber-stamp(verb, support, maintain, declare)
2
second(verb, hold, help, maintain, establish)
2
stand up for(expression, idiom, support, hold, help)
2
underpin(verb, support, sign, explain)
2
vow(verb, support, maintain, declare)
1
abet(verb, hold, help, maintain, establish)
1
act as a witness(verb, expression, idiom, support, maintain)
1
advance(verb, hold, help, establish)
1
advocate belief(verb, expression, hold, help, maintain)
1
agree with(verb, expression, hold, help, maintain)
1
aid(verb, hold, help, maintain, establish)
1
answer for(expression, support, confirm, legitimize)
1
assist(verb, hold, help, maintain, establish)
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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>