150 entries under sustain topic. ×

2
assist(verb, support, hold, help, keep)
2
bear out(verb, expression, phrasal verb, support, hold)
2
boost(verb, support, hold, take, help)
2
comfort(verb, support, hold, help, keep)
2
command(verb, support, fix, run, continue)
2
countenance(verb, support, hold, take, help)
2
establish(verb, support, hold, help, present)
2
favor(verb, support, take, help, keep)
2
help(verb, support, hold, keep, maintain)
2
mind(verb, support, fix, cover, keep)
2
nurture(verb, support, help, fix, keep)
2
raise(verb, support, maintain, promote, encourage)
2
side with(verb, expression, support, hold, help)
2
take care of(verb, expression, idiom, phrasal verb, support)
2
underwrite(verb, support, keep, maintain, praise)
2
validate(verb, support, help, keep, maintain)
2
verify(verb, support, hold, help, keep)
1
abet(verb, support, hold, help, keep)
1
administer(verb, support, fix, keep, run)
1
attend(verb, support, fix, cover, keep)
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APASmart Define. (2015). defend thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/defend/thesaurus/synonyms
ChicagoSmart Define. 2015. "defend thesaurus" https://smartdefine.org/defend/thesaurus/synonyms (accessed September 30, 2026).
HarvardSmart Define 2015, defend thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/defend/thesaurus/synonyms>.
MLASmart Define. "defend thesaurus" 10 April 2015. Web. 30 September 2026. <https://smartdefine.org/defend/thesaurus/synonyms>