2
say the word(expression, idiom, allow, approve, sanction)
2
second(verb, support, praise, favor, back)
2
shake on(verb, expression, phrasal verb, set, settle)
2
sign off on(verb, expression, idiom, phrasal verb, support)
2
subscribe(verb, support, set, accept, settle)
2
subscribe to(verb, expression, phrasal verb, support, praise)
2
take kindly to(verb, expression, idiom, phrasal verb, support)
2
take one up on(verb, expression, idiom, phrasal verb, set)
2
thumbs up(verb, expression, phrasal verb, support, agree)
2
underwrite(verb, support, praise, favor, back)
2
witness(verb, support, praise, favor, back)
1
John Hancock(expression, endorse, prove, substantiate, validate)
1
OK(verb, pass, allow, approve, permit)
1
adopt(verb, agree, sign, acknowledge, assume)
1
agree(verb, set, settle, allow, approve)
1
agree to(verb, expression, phrasal verb, agree, allow)
1
assume(verb, agree, sign, acknowledge, admit)
1
authorise
1
avow(verb, agree, sign, acknowledge, assume)
1
back(verb, support, favor, sign, approve)
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APASmart Define. (2015). give the go-ahead thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/give_the_go-ahead/thesaurus/synonyms
ChicagoSmart Define. 2015. "give the go-ahead thesaurus" https://smartdefine.org/give_the_go-ahead/thesaurus/synonyms (accessed October 1, 2026).
HarvardSmart Define 2015, give the go-ahead thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/give_the_go-ahead/thesaurus/synonyms>.
MLASmart Define. "give the go-ahead thesaurus" 13 April 2015. Web. 1 October 2026. <https://smartdefine.org/give_the_go-ahead/thesaurus/synonyms>