subscribe

To write (one’s name) at the bottom of a document; to sign (one's name).

[They] subscribed their names under them.

[…] although the will is holographic, and a holographic instrument cannot be admitted to probate where testator told the subscribing witnesses that it was not his will, […]

To sign; to mark with one's signature as a token of consent or attestation.

Parties subscribe a covenant or contract; a man subscribes a bond.

Officers subscribe their official acts, and secretaries and clerks subscribe copies or records.

To sign up to have copies of a publication, such as a newspaper or a magazine, delivered for a period of time.

Would you like to subscribe or subscribe a friend to our new magazine, Lexicography Illustrated?

To pay for the provision of a service, such as Internet access, a cell phone plan, or a streaming service.

I subscribed to this streaming service years ago.

To believe or agree with a theory or an idea [with to].

I don’t subscribe to that theory.