certified

If you've met a certain standard or proven that you're qualified for some specific job or task, you're certified. Most schools hire only certified teachers.

In order for a person to become certified, there is usually some sort of test or review. A certified accountant has proven that she knows how to prepare tax forms and other financial records by taking classes and an exam. A certified diver has trained to use scuba gear and dive to a certain depth in the ocean, and demonstrated this ability. When you're certified in some way, you often receive a certificate, a document that proves it.

Primary Meanings of certified

1.
adj
endorsed authoritatively as having met certain requirements
2.
adj
fit to be certified as insane (and treated accordingly)
Full Definitions of certified
1

adj endorsed authoritatively as having met certain requirements

“a certified public accountant”
Synonyms:
authorised, authorized
endowed with authority
certifiable
capable of being guaranteed or certified
certificated
furnished with or authorized by a certificate: "certificated teachers"
credentialled
certified as professional by evidence or testimonials
documented
furnished with or supported by documents
Antonyms:
uncertified
lacking requisite official documentation or endorsement

adj holding appropriate documentation and officially on record as qualified to perform a specified function or practice a specified skill

Synonyms:
qualified
registered
listed or recorded officially
2

adj fit to be certified as insane (and treated accordingly)

Synonyms:
certifiable
insane
afflicted with or characteristic of mental derangement

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