Certification is the formal attestation or confirmation of certain characteristics of an object, person, or organization. This confirmation is often, but not always, provided by some form of external review, education, assessment, or audit. Accreditation is a specific organization's process of certification.

What does it mean when you certify something?

certify, attest, witness, vouch mean to testify to the truth or genuineness of something. certify usually applies to a written statement, especially one carrying a signature or seal.

Does certify mean approved?

to attest as certain; give reliable information of; confirm: He certified the truth of his claim. ... to guarantee; endorse reliably: to certify a document with an official seal.