340 entries under maintain topic. ×

5
bear out(verb, expression, phrasal verb, support, hold)
5
benefit(verb, support, help, back)
5
care for(verb, expression, support, hold, keep)
5
found(verb, support, hold, put)
5
fuel(verb, give, increase, promote)
5
fund(verb, encourage, raise, back)
5
go on(verb, expression, phrasal verb, hold, advance)
5
keep alive(verb, expression, idiom, support, keep)
5
last(verb, hold, take, advance, keep)
5
pack(verb, support, move, hold, take)
5
persist in(verb, expression, advance, continue)
5
promote(verb, support, hold, help, advance)
5
serve(verb, support, help, give, keep)
5
shore(verb, support, hold, set)
5
stay(verb, support, hold, help, advance)
5
wine and dine(verb, expression, idiom, give)
4
boost(verb, support, hold, help, increase)
4
buoy up(verb, expression, phrasal verb, support)
4
cater(verb, support, give, keep, present)
4
convey(verb, support, move, hold, take)
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APASmart Define. (2015). sustain thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/sustain/thesaurus/synonyms
ChicagoSmart Define. 2015. "sustain thesaurus" https://smartdefine.org/sustain/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2015, sustain thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/sustain/thesaurus/synonyms>.
MLASmart Define. "sustain thesaurus" 10 April 2015. Web. 30 September 2026. <https://smartdefine.org/sustain/thesaurus/synonyms>