Synonyms|673Antonyms|118|Broader|13Narrower|17Related|401

182 entries under expression topic. ×

1
add up(verb, show, determine, confirm)
1
advocate belief(verb, hold, help, maintain)
1
agree with(verb, hold, help, maintain)
1
answer for(support, back, confirm, legitimize)
1
apologize for(support, favor, defend, legitimize)
1
argue for(verb, support, favor, sustain)
1
back down(verb, phrasal verb)
1
back off(verb, phrasal verb)
1
be behind(idiom, approve, sanction, endorse)
1
bear testimony(verb, support, maintain, back)
1
become concrete(realize, appear, happen, arrive)
1
become real(realize, appear, happen, arrive)
1
become visual(realize, appear, happen, arrive)
1
boost morale(verb, hold, help, maintain)
1
bring to test
1
build up(verb, support, increase, establish)
1
check on(verb, confirm, story, verify)
1
check up(verb, phrasal verb, idea, confirm)
1
check up on(verb, idiom, check, confirm)
1
come about(realize, appear, happen, arrive)
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APASmart Define. (2015). substantiate thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/substantiate/thesaurus/synonyms
ChicagoSmart Define. 2015. "substantiate thesaurus" https://smartdefine.org/substantiate/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, substantiate thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/substantiate/thesaurus/synonyms>.
MLASmart Define. "substantiate thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/substantiate/thesaurus/synonyms>