Толковый словарь английского языка Oxford English Reference - responsibility

n. (pl. -ies) 1 a (often foll. by for, of) the state or fact of being responsible (refuses all responsibility for it; will take the responsibility of doing it). b authority; the ability to act independently and make decisions (a job with more responsibility). 2 the person or thing for which one is responsible (the food is my responsibility). Phrases and idioms on one's own responsibility without authorization.