128 entries under confirm topic. ×

6
stand up for(verb, expression, idiom, support, hold)
6
stick up for(verb, expression, idiom, phrasal verb, support)
5
aver(verb, show, prove, appear)
5
bear out(verb, expression, phrasal verb, support, hold)
5
promote(verb, support, hold, help, advance)
4
boost(verb, support, hold, help, increase)
4
buoy up(verb, expression, phrasal verb, support, maintain)
4
declare(verb, show, determine, prove)
4
fix(verb, support, calm, show, determine)
4
raise(verb, support, increase, maintain, promote)
4
show(verb, determine, prove, appear)
4
uplift(verb, support, maintain, promote, encourage)
3
contend(verb, support, hold, take, meet)
3
document(verb, show, determine, explain)
3
exculpate(verb, support, maintain, favor, back)
3
find(verb, give, meet, show, maintain)
3
rear(verb, support, maintain, promote, encourage)
3
testify(verb, show, determine, prove)
3
upbear(verb, support, hold, maintain, promote)
3
vindicate(verb, support, maintain, promote, encourage)
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APASmart Define. (2015). sustain thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/sustain/thesaurus/synonyms
ChicagoSmart Define. 2015. "sustain thesaurus" https://smartdefine.org/sustain/thesaurus/synonyms (accessed October 1, 2026).
HarvardSmart Define 2015, sustain thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/sustain/thesaurus/synonyms>.
MLASmart Define. "sustain thesaurus" 10 April 2015. Web. 1 October 2026. <https://smartdefine.org/sustain/thesaurus/synonyms>