to pledge, as by signing an agreement, to give or pay (a sum of money) as a contribution, gift, or investment

He subscribed

to give or pay in fulfillment of such a pledge.

to append one's signature or mark to (a document), as in approval or attestation of its contents.

to attest by or as by signing.

to append, as one's signature, at the bottom of a document or the like; sign.

to agree or assent to.

to pledge, as by signing an agreement, to give or pay money as a contribution, gift, or investment.

to give or pay money in fulfillment of such a pledge.

to obtain a subscription to a magazine, newspaper, etc.

to give one's consent; sanction

I will not subscribe to popular fallacies.

to sign one's name to a document.

to give approval to the contents of a document by signing one's name.

verb

disagree

verb

advocate , ante up , buy , chip in * , come through * , consent , donate , do one’s part , endorse , enroll , give , grant , ink , make a deal , offer , pitch in * , pledge , promise , put up * , register , second , set , sign , signature , sign up * , support , accede , acquiesce , approve , assent , autograph * , back , bless , boost , cosign , countenance , ditto * , favor , get behind * , give stamp of approval* give the go-ahead , go along with , hold with * , obey , okay * , put john hancock on , rubber-stamp , sanction , take , undersign , underwrite , yes * , chip in , accept , agree , nod , yes , autograph , inscribe , attest , contribute