Synonyms|128Antonyms|36|Broader|4Narrower|2Related|196

67 entries under substantiate topic. ×

1
advocate(support, favor, defend, explain)
1
alibi(verb, support, favor, sustain, confirm)
1
answer for(expression, support, favor, defend)
1
apologize for(expression, support, favor, defend)
1
argue for(verb, expression, support, favor, sustain)
1
assert(support, favor, defend, explain)
1
authenticate(endorse, prove, verify, corroborate)
1
be answerable for(verb, support, favor, sustain, confirm)
1
bear out(verb, expression, support, favor, sustain)
1
brief(verb, support, favor, sustain, confirm)
1
claim(support, favor, defend, explain)
1
clear(verb, support, favor, sustain, confirm)
1
condone(verb, support, favor, sustain, confirm)
1
contend(support, favor, defend, explain)
1
cop a plea(verb, expression, idiom, support, favor)
1
corroborate(endorse, prove, verify)
1
crawl(verb, support, favor, sustain, confirm)
1
do justice to(verb, expression, idiom, support, favor)
1
exculpate(verb, support, favor, defend, explain)
1
excuse(verb, favor, sustain, confirm, defend)
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APASmart Define. (2015). legitimize thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/legitimize/thesaurus/synonyms
ChicagoSmart Define. 2015. "legitimize thesaurus" https://smartdefine.org/legitimize/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, legitimize thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/legitimize/thesaurus/synonyms>.
MLASmart Define. "legitimize thesaurus" 14 April 2015. Web. 26 September 2026. <https://smartdefine.org/legitimize/thesaurus/synonyms>