willing

Synonyms: accommodating active amenable cheerful compliant consenting content deliberate desirous disposed eager energetic enthusiastic fair favorable feeling forward game go along with happy in accord with inclined in favor intentional in the mood like-minded obedient one pleased predisposed prepared prompt prone reliable responsible tractable unasked unbidden unforced voluntary well-disposed willful witting zealous

Antonyms: disagreeable unprepared unwilling