RESPONSIBILITY

duty, responsibility, obligation

(noun) the social force that binds you to the courses of action demanded by that force; “we must instill a sense of duty in our children”; “every right implies a responsibility; every opportunity, an obligation; every possession, a duty”- John D.Rockefeller Jr

responsibility, responsibleness

(noun) 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”

province, responsibility

(noun) the proper sphere or extent of your activities; “it was his province to take care of himself”

Source: WordNet® 3.1

Noun

responsibility (countable and uncountable, plural responsibilities)

The state of being responsible, accountable, or answerable.

The state of being liable, culpable, or responsible for something in particular.

A duty, obligation or liability for which someone is held accountable.

(military) The obligation to carry forward an assigned task to a successful conclusion. With responsibility goes authority to direct and take the necessary action to ensure success.

(military) The obligation for the proper custody, care, and safekeeping of property or funds entrusted to the possession or supervision of an individual.