The crossword solution for the term CERTIFIES (TO) is ATTESTS (7 letters). The verb 'CERTIFY' means to confirm or ATTEST to the truth or accuracy of something. It is often used in legal contexts, such as when a witness certifies that they have seen or heard something. The verb 'ATTEST' has a similar meaning, and is also used in legal contexts. It is often used to refer to the act of signing a document to confirm its authenticity.