80 entries under explain topic. ×

2
double-check(verb, support, back, confirm)
2
excuse(noun, verb, support, maintain, favor)
2
give high sign(expression, idiom, support, back, sign)
2
legalize(verb, support, favor, sustain, confirm)
2
legitimize(verb, support, favor, sustain, confirm)
2
stand up for(expression, idiom, support, hold, help)
2
underpin(verb, support, back, sign)
1
absolve(verb, support, maintain, favor, sustain)
1
acquit(verb, support, maintain, favor, sustain)
1
add up(verb, expression, show, determine, confirm)
1
advocate(support, maintain, defend, uphold)
1
alibi(verb, support, favor, sustain, confirm)
1
argue for(verb, expression, support, favor, sustain)
1
be answerable for(verb, support, favor, sustain, confirm)
1
brief(verb, support, favor, sustain, confirm)
1
condone(verb, support, favor, sustain, confirm)
1
cop a plea(verb, expression, idiom, support, favor)
1
countenance(verb, support, hold, help, favor)
1
crawl(verb, support, favor, sustain, confirm)
1
do justice to(verb, expression, idiom, support, maintain)
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APASmart Define. (2015). substantiate thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/substantiate/thesaurus/synonyms
ChicagoSmart Define. 2015. "substantiate thesaurus" https://smartdefine.org/substantiate/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, substantiate thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/substantiate/thesaurus/synonyms>.
MLASmart Define. "substantiate thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/substantiate/thesaurus/synonyms>