THESAURUS
not hesitate
acquiesce, agree, be agreeable to, be dying to, be eager, be game, be open to, be ready, be spoiling for, be willing, carry through, collaborate, consent, cooperate, face out, go along with, incline, lean, look kindly upon,
not hesitate to, not look back, plunge into, stick at nothing, stop at nothing, think little of, think nothing of, would as leave, would as lief