100 entries under back topic. ×

5
secure(verb, endorse, guarantee, countersign)
3
affirm(verb, support, accept, favor, agree)
3
agree(verb, support, move, take, set)
3
assent(verb, support, move, take, accept)
3
check(noun, verb, support, set, settle)
3
give the go-ahead(verb, expression, idiom, support, set)
3
give the nod(verb, expression, idiom, support, take)
3
okay(verb, support, take, set, accept)
3
second(verb, support, give, set, accept)
3
settle(verb, support, set, end, complete)
3
warrant(noun, verb, support, accept, mark)
2
accede(verb, support, take, set, accept)
2
accredit(verb, support, accept, favor, agree)
2
acquiesce(verb, support, move, take, set)
2
agree to(verb, expression, phrasal verb, secure, agree)
2
allow(verb, support, set, accept, pass)
2
authenticate(verb, support, approve, sanction)
2
boost(verb, support, take, accept, pass)
2
buy(verb, support, take, accept, pass)
2
buy into(expression, support, set, accept, settle)
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APASmart Define. (2016). sign thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/sign/thesaurus/synonyms
ChicagoSmart Define. 2016. "sign thesaurus" https://smartdefine.org/sign/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2016, sign thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/sign/thesaurus/synonyms>.
MLASmart Define. "sign thesaurus" 17 February 2016. Web. 20 September 2026. <https://smartdefine.org/sign/thesaurus/synonyms>