130 entries under substantiate topic. ×

1
crawl(support, favor, defend, explain)
1
do justice to(expression, idiom, favor, legitimize)
1
double check(verb, expression, permit, story, verify)
1
excuse(verb, support, favor, defend, explain)
1
exonerate(support, favor, defend, explain)
1
give green light(verb, expression, idiom, support, help)
1
give nod(verb, expression, permit, story, verify)
1
give stamp of approval(verb, expression, idiom, support, help)
1
give the green light(verb, expression, idiom, pass, allow)
1
lap up(verb, expression, phrasal verb, support, accept)
1
make allowances(expression, support, favor, legitimize)
1
make legal(verb, expression, endorse, prove)
1
palliate(support, favor, defend, explain)
1
pan out(verb, expression, show, determine, explain)
1
pardon(support, favor, defend, explain)
1
plead(support, favor, defend, explain)
1
promote(verb, support, advance, maintain, encourage)
1
rationalize(verb, support, favor, defend, explain)
1
rebut(support, favor, defend, explain)
1
show cause(expression, support, favor, legitimize)
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APASmart Define. (2015). confirm thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/confirm/thesaurus/synonyms
ChicagoSmart Define. 2015. "confirm thesaurus" https://smartdefine.org/confirm/thesaurus/synonyms (accessed September 27, 2026).
HarvardSmart Define 2015, confirm thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/confirm/thesaurus/synonyms>.
MLASmart Define. "confirm thesaurus" 10 April 2015. Web. 27 September 2026. <https://smartdefine.org/confirm/thesaurus/synonyms>