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