2
permit(verb, support, accept, pass, favor)
2
ratify(verb, support, accept, favor, agree)
2
rubber-stamp(verb, support, agree, back, sign)
2
sanction(noun, verb, support, accept, pass)
2
sign(verb, support, accept, pass, favor)
2
support(verb, accept, favor, agree, establish)
2
uphold(verb, support, help, accept, favor)
2
validate(verb, support, accept, favor, agree)
2
warrant(support, accept, pass, leave, allow)
1
sign off on(verb, expression, idiom, phrasal verb, support)
1
accredit(verb, support, accept, favor, agree)
1
acknowledge(verb, agree, sign, assume, admit)
1
admit(verb, accept, pass, leave, allow)
1
adopt(verb, agree, sign, acknowledge, assume)
1
agree to(verb, expression, agree, allow, sign)
1
aid(verb, support, help, accept, allow)
1
all clear
1
allow(verb, support, accept, pass, favor)
1
allow participation(verb, expression, accept, agree, allow)
1
applaud(verb, support, help, accept, favor)
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APASmart Define. (2015). thumbs up thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/thumbs_up/thesaurus/synonyms
ChicagoSmart Define. 2015. "thumbs up thesaurus" https://smartdefine.org/thumbs_up/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, thumbs up thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/thumbs_up/thesaurus/synonyms>.
MLASmart Define. "thumbs up thesaurus" 14 April 2015. Web. 21 September 2026. <https://smartdefine.org/thumbs_up/thesaurus/synonyms>