Certificate of attainment (7)

I believe the answer is:

diploma

'certificate of attainment' is the definition.
(I've seen this before)

This is the entire clue.

(Other definitions for diploma that I've seen before include "Exam certificate" , "Certificate of proficiency" , "degree certificate" , "Certificate awarded by college for educational attainment" , "Academic certificate" .)

I've seen this clue in The Guardian.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.