certify

Meanings

1. 1
   verb

   to provide evidence for

   I certified that the accident was not their fault.

2. 2
   verb

   to guarantee as meeting a certain standard

   I certified that the car met the emissions requirements.

3. 3
   verb

   To attest that a product, service, organization, or person has met an official standard.

   These blankets have been certified as fireproof.

4. 4
   verb

   To inform; to tell (a person) that something is true.

   Our deeds do us three manners of service. First, they certify us that we are heirs of everlasting life, and that the Spirit of God, which is the earnest thereof, is in us.

5. 5
   verb

   To assure (oneself) of something; to ascertain.

   After having certified himself of her own good health, he very kindly inquired about her mother and Miss Sophy […].

6. 6
   verb

   to declare legally insane

7. 7
   verb

   to guarantee payment on

8. 8
   verb

   to authorize officially

Etymology

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