49 entries under substantiate topic. ×

1
condone(support, favor, defend, explain)
1
contend(support, favor, back, confirm)
1
cop a plea(expression, idiom, favor, legitimize)
1
countenance(support, favor, defend, explain)
1
crawl(support, favor, defend, explain)
1
defend(support, favor, explain, authorize)
1
do justice to(expression, idiom, favor, legitimize)
1
establish(support, favor, defend, explain)
1
exculpate(support, favor, defend, explain)
1
excuse(support, favor, defend, explain)
1
exonerate(support, favor, defend, explain)
1
favor(support, defend, explain, validate)
1
legalize(support, favor, defend, explain)
1
legitimize(support, favor, defend, explain)
1
make allowances(expression, support, favor, legitimize)
1
make good(verb, expression, support, fix, favor)
1
palliate(support, favor, defend, explain)
1
pardon(support, favor, defend, explain)
1
plead(support, favor, defend, explain)
1
rationalize(support, favor, defend, explain)
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APASmart Define. (2015). answer for thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/answer_for/thesaurus/synonyms
ChicagoSmart Define. 2015. "answer for thesaurus" https://smartdefine.org/answer_for/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, answer for thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/answer_for/thesaurus/synonyms>.
MLASmart Define. "answer for thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/answer_for/thesaurus/synonyms>