95 entries under substantiate topic. ×
| make allowances(expression, support, defend, legitimize) | |
| make sure(expression, support, back, sign, uphold) | |
| okay(verb, support, back, sign, prove) | |
| ratify(verb, support, back, sign, prove) | |
| rubber-stamp(verb, support, back, sign, prove) | |
| show cause(expression, idiom, support, information, defend) | |
| sign(verb, support, back, uphold, prove) | |
| sign off on(expression, idiom, support, back, sign) | |
| size up(expression, support, back, uphold, prove) | |
| speak in favor(expression, idiom, support, legitimize) | |
| square(support, defend, validate, legitimize) | |
| subscribe(verb, support, back, sign, uphold) | |
| testify(verb, state, show, present, maintain) | |
| thumbs up(expression, support, back, sign, uphold) | |
| turn out(verb, expression, show, determine, confirm) |
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| APA | Smart Define. (2015). explain thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/explain/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "explain thesaurus" https://smartdefine.org/explain/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2015, explain thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/explain/thesaurus/synonyms>. |
| MLA | Smart Define. "explain thesaurus" 16 July 2015. Web. 23 September 2026. <https://smartdefine.org/explain/thesaurus/synonyms> |