168 entries under favor topic. ×

10
brace(verb, support, hold, calm, take)
10
encourage(verb, support, help, give, increase)
8
back up(verb, expression, phrasal verb, support, increase)
8
certify(verb, support, show, determine)
8
fortify(verb, support, hold, increase, develop)
8
reinforce(verb, support, hold, help, increase)
8
sanction(verb, support, take, accept, develop)
8
strengthen(verb, support, hold, help, give)
8
warrant(verb, support, show, maintain, determine)
7
abet(verb, support, hold, help, keep)
7
advocate(verb, support, develop, maintain, promote)
7
assert(verb, support, show, maintain)
7
authenticate(verb, support, show, determine, praise)
7
cherish(verb, support, hold, take, maintain)
7
establish(verb, support, hold, help, show)
7
relieve(verb, support, help, keep, develop)
6
attest(verb, support, show, determine, praise)
6
authorize(verb, support, accept, praise)
6
champion(verb, support, hold, help, maintain)
6
comfort(noun, verb, support, hold, help)
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APASmart Define. (2015). sustain thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/sustain/thesaurus/synonyms
ChicagoSmart Define. 2015. "sustain thesaurus" https://smartdefine.org/sustain/thesaurus/synonyms (accessed October 1, 2026).
HarvardSmart Define 2015, sustain thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/sustain/thesaurus/synonyms>.
MLASmart Define. "sustain thesaurus" 10 April 2015. Web. 1 October 2026. <https://smartdefine.org/sustain/thesaurus/synonyms>