4
authorizer
3
acknowledger
3
confirmer
2
endorser
2
acceptor
2
agreer
2
allower
2
assenter
2
party
2
ratifier
2
sanctioner
2
supporter
2
sympathizer
2
upholder
1
admitter
1
accessory
1
accomplice
1
accuser
1
adopter
1
agent
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APASmart Define. (2015). approver thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/approver/thesaurus/synonyms
ChicagoSmart Define. 2015. "approver thesaurus" https://smartdefine.org/approver/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, approver thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/approver/thesaurus/synonyms>.
MLASmart Define. "approver thesaurus" 13 April 2015. Web. 22 September 2026. <https://smartdefine.org/approver/thesaurus/synonyms>