certify

Meanings

1. 1
   verb

   To state officially that something has met a required standard.

   These blankets have been certified as fireproof.

2. 2
   verb

   To give official permission for someone to do a job.

   She is certified to teach in three states.

3. 3
   verb

   To declare formally that something is true.

   The doctor certified that the patient was fit to work.

From Old French certefier (“confirm, assure, make certain”). Compare French certifier.

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