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44 entries under substantiate topic. ×

1
uphold(verb, support, back, sign, prove)
1
validate(verb, prove, verify, corroborate)
1
verify(verb, support, back, explain, prove)
0
back up(expression, verify, corroborate)
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APASmart Define. (2011). give high sign thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/give_high_sign/thesaurus/synonyms
ChicagoSmart Define. 2011. "give high sign thesaurus" https://smartdefine.org/give_high_sign/thesaurus/synonyms (accessed October 1, 2026).
HarvardSmart Define 2011, give high sign thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/give_high_sign/thesaurus/synonyms>.
MLASmart Define. "give high sign thesaurus" 20 May 2011. Web. 1 October 2026. <https://smartdefine.org/give_high_sign/thesaurus/synonyms>