Enter a clue or pattern or both:
The Clue
Certifies, in a way (9 letter answer)
The Answer
NOTARIZES
Tags
Notes
The answer NOTARIZES is so rare that it appears less than once every 2500 puzzles.
Related Clues
Makes official
Definition
NOTARIZE as a verb:
1. (notarize, notarise) = authenticate as a notary; "We had to have the signature notarized"