5
fuel(verb, give, increase, maintain, promote)
5
fund(verb, maintain, encourage, raise, back)
5
go on(verb, expression, phrasal verb, hold, advance)
5
incur(verb, give, present, allow, manage)
5
keep alive(verb, expression, idiom, support, keep)
5
last(verb, hold, take, advance, keep)
5
live(verb, move, hold, keep, overcome)
5
meet with(verb, expression, phrasal verb, feeling, consider)
5
pack(verb, support, move, hold, take)
5
persist in(verb, expression, advance, maintain, continue)
5
prevail(verb, support, hold, develop, promote)
5
promote(verb, support, hold, help, advance)
5
provide(verb, support, control, help, give)
5
receive(verb, support, take, go, accept)
5
serve(verb, support, help, give, keep)
5
shore(verb, support, hold, set, maintain)
5
stay(verb, support, hold, help, advance)
5
taste(verb, feeling, see, tell, experience)
5
underpin(verb, support, hold, continue, stay)
5
wine and dine(verb, expression, idiom, give, maintain)
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APASmart Define. (2015). sustain thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/sustain/thesaurus/synonyms
ChicagoSmart Define. 2015. "sustain thesaurus" https://smartdefine.org/sustain/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2015, sustain thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/sustain/thesaurus/synonyms>.
MLASmart Define. "sustain thesaurus" 10 April 2015. Web. 28 September 2026. <https://smartdefine.org/sustain/thesaurus/synonyms>