agree to

consent to, approve, endorse, accept, settle for, support, allow, ratify, comply with, acquiesce in, assent to, confirm, go along with, abide by, affirm, acknowledge, defer to, concede, accede, verify, yield, permit, let, suffer, promise, contract, engage to, submit to, give in, sanction, authorize, OK, sign on, sign up, give ones word, shake on*; see also agree.

Antonyms refuse*, dispute, dissent.