certify

Verb

Verb Forms: certified, certifying, certifies

To confirm officially, especially in writing, that something is true.
provide evidence for; stand as proof of; show by one's behavior, attitude, or external attributes
guarantee payment on; of checks
authorize officially
guarantee as meeting a certain standard
declare legally insane
To attest to (a fact) as the truth.
To authenticate or verify in writing.
To attest that a product, service, organization, or person has met an official standard.
To inform; to tell (a person) that something is true.
To assure (oneself) of something; to ascertain.

Examples

The dictionary must CERTIFY that my obscure word is indeed valid for Words With Friends.
These blankets have been certified as fireproof.

Origin / Etymology

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

Synonyms

attest, demonstrate, endorse, evidence, indorse, licence, license, manifest, approve, confirm, vouch for, witness

Antonyms

decertify

Scrabble Score: 15

certify: valid Scrabble (US) TWL Word
certify: valid Scrabble Word in Merriam-Webster MW Dictionary
certify: valid Scrabble Word in International Collins CSW Dictionary

Words With Friends Score: 15

certify: valid Words With Friends Word