Under-signature is often used in formal documents and legal agreements to denote the signature that is located at the bottom of a page. There are several synonyms that can be used in place of under-signature, including undersigned, signatory, subscriber, endorser, and corroborator. Undersigned is a term that is often used in legal documents to describe the individual who has signed at the bottom of a page. Signatory is another synonym that refers to a person who has signed a document, such as a contract or agreement. Subscriber and endorser are two additional synonyms that are often used in the context of financial agreements and transactions. Finally, corroborator is a synonym that is used to describe someone who bears witness to the signing of a document.