intransitive. To write one's signature; esp. to put one's signature to (or †unto) something as an indication of assent, approval, or testimony; to…

transitive and intransitive. To write one's signature or name (to); to indicate one's agreement or compliance (with); = subscribe, v. 1 2.

To affix, ‘sign’ (one's name) to a document or writing. Obsolete.

intransitive. To append one's signature; (also) to testify by one's signature (that something is true). (figurative in quots.). Obsolete. rare.

intransitive. To write one's signature (or another distinguishing mark) on a letter or document, as a means of authentication or identification. Also…