Synonyms|152Antonyms|5|Broader|1Narrower|0Related|55
1
ensure
1
get behind(verb, expression, support, take, agree)
1
give permission
1
give stamp of approval give the go-ahead(expression, idiom, support, take, agree)
1
give the go-ahead(expression, idiom)
1
give the imprimatur(expression, idiom)
1
give thumbs up(expression, idiom)
1
guarantee
1
guaranty
1
hold with(verb, expression, support, take, agree)
1
indorse
1
ink(verb, support, take, agree, sign)
1
insure
1
pass
1
pass on
1
pass upon
1
permit
1
put John Hancock on(verb, expression, idiom, phrasal verb, support)
1
put John Henry on(verb, expression, idiom, sign, confirm)
1
put one's John Hancock on(verb, idiom, law, sign, affix)
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APASmart Define. (2015). undersign thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/undersign/thesaurus/synonyms
ChicagoSmart Define. 2015. "undersign thesaurus" https://smartdefine.org/undersign/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, undersign thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/undersign/thesaurus/synonyms>.
MLASmart Define. "undersign thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/undersign/thesaurus/synonyms>