172 entries under sustain topic. ×

1
save(verb, support, help, keep, maintain)
1
second(verb, support, maintain, promote, encourage)
1
side with(verb, expression, support, maintain, promote)
1
soup up(verb, expression, support, increase, secure)
1
stand(verb, support, hold, set, maintain)
1
stand up for(verb, expression, idiom, support, increase)
1
steady(verb, support, calm, fix, keep)
1
stick by(verb, expression, support, maintain, promote)
1
stick up for(verb, expression, idiom, support, help)
1
stroke(verb, support, increase, uphold)
1
supplement(verb, support, increase, uphold)
1
supply(verb, support, help, keep, maintain)
1
take up(verb, expression, support, maintain, promote)
1
tote(verb, support, help, keep, maintain)
1
transfer(verb, support, help, keep, maintain)
1
transport(verb, support, help, keep, maintain)
1
underline(verb, support, increase, uphold)
1
uplift(verb, support, maintain, promote, encourage)
1
upraise(verb, support, maintain, promote, encourage)
1
uprear(verb, support, maintain, promote, encourage)
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APASmart Define. (2015). buttress thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/buttress/thesaurus/synonyms
ChicagoSmart Define. 2015. "buttress thesaurus" https://smartdefine.org/buttress/thesaurus/synonyms (accessed October 1, 2026).
HarvardSmart Define 2015, buttress thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/buttress/thesaurus/synonyms>.
MLASmart Define. "buttress thesaurus" 10 April 2015. Web. 1 October 2026. <https://smartdefine.org/buttress/thesaurus/synonyms>