certified
adjective
1. endorsed authoritatively as having met certain requirements
- a certified public accountant
Similar word(s): authorised, authorized, certifiable, certificated, credentialled, documented
2. fit to be certified as insane (and treated accordingly)
Similar word(s): insane, certifiable
3. holding appropriate documentation and officially on record as qualified to perform a specified function or practice a specified skill
Similar word(s): registered, qualified
verb
1. simple past tense and past participle of certify