subscribe

To pledge or contribute (a sum of money).

To sign (one’s name) at the end of a document, especially to attest to or authenticate it.

To sign one’s name to (a document) in attestation, testimony, or consent.

To authorize (someone) to receive or access electronic texts or services, especially over the Internet.

To purchase or claim the shares of (a new issue of stock, bonds, or other securities).

To contract to receive and pay for a certain number of issues of a publication, for tickets to a series of events or performances, or for a utility service, for example.

To receive or be allowed to access electronic texts or services by subscription.

To promise to pay or contribute money.