95 entries under substantiate topic. ×

19
justify(verb, support, clear, show, present)
17
excuse(verb, clear, free, approve, confirm)
17
demonstrate(verb, clear, show, develop, mark)
14
rationalize(verb, support, clear, maintain, free)
10
show(verb, support, develop, present, maintain)
9
clear(verb, support, show, mark, free)
8
defend(verb, support, show, present, maintain)
8
manifest(verb, clear, show, mark, present)
8
warrant(verb, support, show, present, maintain)
6
exculpate(verb, support, clear, release, maintain)
6
palliate(verb, confirm, defend, white, warrant)
6
prove(verb, support, show, mark, present)
5
condone(verb, clear, defend, spare, relieve)
5
brief(verb, support, show, develop, direct)
5
plead(verb, support, present, maintain, favor)
5
rebut(verb, support, favor, return, acknowledge)
5
vindicate(verb, support, clear, release, present)
4
declare(verb, state, order, show, maintain)
4
determine(verb, order, fix, show, mark)
3
absolve(verb, support, clear, release, free)
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APASmart Define. (2015). explain thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/explain/thesaurus/synonyms
ChicagoSmart Define. 2015. "explain thesaurus" https://smartdefine.org/explain/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, explain thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/explain/thesaurus/synonyms>.
MLASmart Define. "explain thesaurus" 16 July 2015. Web. 22 September 2026. <https://smartdefine.org/explain/thesaurus/synonyms>