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

173 entries under support topic. ×

1
put forth(verb, expression, maintain, back)
1
rationalize(verb, maintain, defend, explain)
1
rebut(verb, favor, sustain, confirm)
1
regenerate(verb, increase, establish, extend)
1
rejuvenate(verb, increase, encourage, establish)
1
renew(verb, increase, establish, extend)
1
restore(verb, increase, encourage, establish)
1
rise(verb, increase, establish, extend)
1
say so(verb, expression, maintain, back)
1
set up(verb, expression, increase, establish)
1
show cause(verb, expression, favor, sustain)
1
sign(verb, back, approve, sanction)
1
sign for(verb, expression, maintain, back)
1
sign off on(expression, idiom, back, sign)
1
sinew(verb, increase, establish, extend)
1
size up(verb, expression, back, confirm)
1
speak in favor(verb, expression, idiom, favor)
1
sponsor(verb, maintain, back, declare)
1
square(verb, favor, sustain, confirm)
1
stay(verb, hold, help, maintain)
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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>