responsibility (n.)the social force that binds you to the courses of action demanded by that force; "every right implies a responsibility; every opportunity, an obligation; every possession, a duty"- John D.Rockefeller Jr;
responsibility (n.)the proper sphere or extent of your activities;
responsibility (n.)a form of trustworthiness; the trait of being answerable to someone for something or being responsible for one's conduct;
he holds a position of great responsibility
Synonyms: responsibleness