certified
adjectiveUK /ˈsɜːtɪfaɪd/
US /ˈsɜːrtɪfaɪd/
Officially approved or proven to be true.
She is a certified teacher.
RELATED WORDS
OTHER MEANINGS
2. Given a formal document that proves a fact or qualification.
He is a certified accountant.
3. Legally declared insane.
The court certified him as insane.
4. Guaranteed as genuine or of a certain quality.
This is certified organic coffee.