95 entries under substantiate topic. ×

3
acquit(verb, support, clear, release, free)
3
alibi(verb, support, defend, spare, relieve)
3
confirm(verb, support, prove, illustrate)
3
exonerate(verb, support, clear, release, maintain)
3
support(verb, show, maintain, favor, back)
3
sustain(verb, support, show, maintain, determine)
3
validate(verb, support, confirm, prove)
3
verify(verb, support, show, determine, favor)
3
witness(verb, support, show, present, maintain)
2
advocate(verb, support, maintain, favor, back)
2
affirm(verb, support, state, show, maintain)
2
answer for(verb, expression, support, legitimize)
2
apologize for(verb, expression, support, maintain, favor)
2
approve(verb, support, favor, back, sign)
2
assert(verb, support, state, mark, present)
2
attest(verb, support, show, present, maintain)
2
authenticate(verb, support, show, determine, back)
2
back(verb, support, show, maintain, determine)
2
bear out(verb, expression, support, show, determine)
2
check(verb, support, show, determine, back)
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APASmart Define. (2015). explain thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/explain/thesaurus/synonyms
ChicagoSmart Define. 2015. "explain thesaurus" https://smartdefine.org/explain/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2015, explain thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/explain/thesaurus/synonyms>.
MLASmart Define. "explain thesaurus" 16 July 2015. Web. 23 September 2026. <https://smartdefine.org/explain/thesaurus/synonyms>