97 entries under noun topic. ×

3
endorsement(support, leave, agreement, approval)
3
imprimatur(authorization, consent, go-ahead)
3
liberty(pass, agreement, authority, approval)
3
pass(verb, approve, permit, grant)
3
signal(order, command, indication, authorization)
3
stamp of approval(expression, idiom, understanding, agreement)
3
thumbs-up(authorization, ok, go-ahead)
3
traffic light
3
validation(support, approval, sanction, evidence)
3
warrant(support, order, pass, favor)
2
allowance(understanding, agreement, authority, approval)
2
assent(support, understanding, agreement, authority)
2
caution light
2
certification(statement, authorization, commendation, document)
2
charter(pass, authority, grant, authorization)
2
entitlement(grant, appropriation, subsidy, subvention)
2
mandate(support, order, command, authority)
2
patent(grant, document, license, certification)
2
permit(understanding, pass, agreement, authority)
2
ratification(support, favor, approval, sanction)
11 years ago|2.1k views|share |citing 
APASmart Define. (2015). green light thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/green_light/thesaurus/synonyms
ChicagoSmart Define. 2015. "green light thesaurus" https://smartdefine.org/green_light/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2015, green light thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/green_light/thesaurus/synonyms>.
MLASmart Define. "green light thesaurus" 14 April 2015. Web. 29 September 2026. <https://smartdefine.org/green_light/thesaurus/synonyms>