Definitions

1. verb

to give official recognition or confirmation to something, especially by signing a document or providing a statement to confirm its authenticity or existence

“The notary public certified the signature on the contract.”

2. verb

to declare or attest that something is true or exists, especially in a formal or official way

“The witness certified to the court that she had seen the accident.”

3. noun

a document or certificate issued to confirm that something has been done or that a particular status exists

“The certificate of completion was issued to the student after she passed the course.”

4. verb

to declare or attest that something is genuine or authentic

“The expert certified the artwork as a genuine Picasso.”