7
accepted(verb, adjective, approved, permitted, notorious)
7
declared(verb, adjective, approved, supported, authorized)
7
documented(verb, adjective, evinced, evidential)
7
proved(verb, suitable, adequate, competent, capable)
7
qualified(adjective, test, expert, reliable)
7
supported(verb, adjective, accepted, approved, permitted)
7
testified(verb, adjective, affirmed, evinced, evidential)
6
acknowledged(verb, skilled, qualified, notorious, specialized)
6
countersigned(verb, adjective, guaranteed, authorized)
6
ensured(verb, adjective, guaranteed)
6
guaranteed(verb, adjective, guaranteed)
6
licensed(verb, adjective, suitable, adequate, skilled)
6
notarized(verb, adjective, permitted, authorized, sanctioned)
6
official(adjective, honest, certain, true, straight)
6
pledged(verb, adjective, guaranteed, affirmed)
6
ratified(verb, accepted, legal, approved, permitted)
6
witnessed(verb, adjective, assured, supported, confirmed)
5
admitted(verb, notorious, recognized, affirmed, identified)
5
ascertained(verb, proved, ascertained)
5
avouched(verb, affirmed, evinced)
11 years ago|9.6k views|share |citing 
APASmart Define. (2015). certified thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/certified/thesaurus/synonyms
ChicagoSmart Define. 2015. "certified thesaurus" https://smartdefine.org/certified/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, certified thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/certified/thesaurus/synonyms>.
MLASmart Define. "certified thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/certified/thesaurus/synonyms>