Synonyms|303Antonyms|1|Broader|8Narrower|0Related|56

27 entries under idiom topic. ×

2
give the go-ahead(verb, expression, approve, sanction)
1
give the imprimatur
1
give thumbs up
1
letter of introduction
1
make a promise
1
mark of signature
1
say amen to
1
sign and seal
1
swear and affirm
0
add another signature
0
give a boost to(verb, expression, approve, sanction)
0
give green light(verb, expression, approve, sanction)
0
give stamp of approval give the go-ahead(expression, sign, rubber-stamp, undersign)
0
give the nod(verb, expression, approve, sanction)
0
go along with(verb, expression, sign, approve)
0
go to bat for(verb, expression, approve, sanction)
0
good book
0
make a deal(expression, sign, rubber-stamp, undersign)
0
put John Hancock on(expression, sign, rubber-stamp, undersign)
0
put John Henry on(expression, sign, rubber-stamp, undersign)
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ChicagoSmart Define. 2015. "countersign thesaurus" https://smartdefine.org/countersign/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, countersign thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/countersign/thesaurus/synonyms>.
MLASmart Define. "countersign thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/countersign/thesaurus/synonyms>