511 entries under support topic. ×

4
harden(verb, increase, keep, overcome)
4
let(verb, take, accept, consider)
4
oblige(verb, help, promote, raise)
4
produce(verb, give, keep, present)
4
raise(verb, increase, maintain, promote)
4
rebut(verb, favor, defend, explain)
4
safeguard(verb, hold, fix, keep)
4
say in defense(verb, expression, idiom, maintain)
4
shelter(verb, hold, fix, keep)
4
shield(verb, hold, fix, keep)
4
shoulder(verb, move, hold, take)
4
speak up for(verb, expression, idiom, maintain)
4
steel(verb, increase, strength, establish)
4
submit(verb, hold, take, help)
4
succor(verb, develop, maintain, promote)
4
take up with(verb, expression, idiom, help)
4
tend(verb, raise, aid, feed)
4
uplift(verb, maintain, promote, encourage)
3
accommodate(verb, help, give, keep)
3
afford(verb, help, give, keep)
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APASmart Define. (2015). sustain thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/sustain/thesaurus/synonyms
ChicagoSmart Define. 2015. "sustain thesaurus" https://smartdefine.org/sustain/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, sustain thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/sustain/thesaurus/synonyms>.
MLASmart Define. "sustain thesaurus" 10 April 2015. Web. 29 September 2026. <https://smartdefine.org/sustain/thesaurus/synonyms>