[mburbank]

The word you want is SUBSCRIBE

One entry found for subscribe.
Main Entry: sub·scribe
Pronunciation: s&b-'skrIb
Function: verb
Inflected Form(s): sub·scribed; sub·scrib·ing
Etymology: Middle English, from Latin subscribere, literally, to write beneath, from sub- + scribere to write -- more at SCRIBE
transitive senses
1 : to write (one's name) underneath : SIGN
2 a : to sign (as a document) with one's own hand in token of consent or obligation b : to attest by signing c : to pledge (a gift or contribution) by writing one's name with the amount
3 : to assent to : SUPPORT
intransitive senses
1 : to sign one's name to a document
2 a : to give consent or approval to something written by signing <unwilling to subscribe to the agreement> b : to set one's name to a paper in token of promise to give something (as a sum of money); also : to give something in accordance with such a promise c : to enter one's name for a publication or service; also : to receive a periodical or service regularly on order d : to agree to purchase and pay for securities especially of a new offering <subscribed for 1000 shares>
3 : to feel favorably disposed <I subscribe to your sentiments>
synonym see ASSENT
- sub·scrib·er noun

Deffinition three.