231 entries under sustain topic. ×

7
espouse(verb, support, hold, accept, love)
7
feed(verb, support, help, give, keep)
7
keep on(verb, expression, phrasal verb, advance, keep)
7
nurse(verb, support, hold, help, give)
7
provide for(verb, expression, phrasal verb, support, help)
7
safeguard(verb, support, hold, keep, run)
7
supply(verb, support, help, give, keep)
6
confirm(verb, support, state, help, accept)
6
cultivate(verb, keep, do, desire, continue)
6
find(verb, give, deliver, serve)
6
go on(verb, expression, phrasal verb, advance, keep)
6
last(verb, advance, keep, continue, lead)
6
persist in(verb, expression, advance, continue, stay)
6
prop(verb, support, calm, help, fix)
5
approve(verb, support, hold, help, accept)
5
endorse(verb, support, hold, help, accept)
5
fix(verb, calm, order, secure)
5
give(verb, support, keep, present, deliver)
5
plead(verb, support, state, charge, present)
5
protract(verb, support, help, keep, continue)
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APASmart Define. (2016). maintain thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/maintain/thesaurus/synonyms
ChicagoSmart Define. 2016. "maintain thesaurus" https://smartdefine.org/maintain/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2016, maintain thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/maintain/thesaurus/synonyms>.
MLASmart Define. "maintain thesaurus" 24 March 2016. Web. 29 September 2026. <https://smartdefine.org/maintain/thesaurus/synonyms>