'Responsibility' definitions:

Definition of 'responsibility'

From: WordNet
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 [syn: duty, responsibility, obligation]
noun
The proper sphere or extent of your activities; "it was his province to take care of himself" [syn: province, responsibility]
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" [syn: responsibility, responsibleness] [ant: irresponsibility, irresponsibleness]

Definition of 'Responsibility'

From: GCIDE
  • Responsibility \Re*spon`si*bil"i*ty\ (r?*sp?n`s?*b?l"?*t?), n.; pl. -ties (-t?z). [Cf. F. responsabilit['e].]
  • 1. The state of being responsible, accountable, or answerable, as for a trust, debt, or obligation. [1913 Webster]
  • 2. That for which anyone is responsible or accountable; as, the resonsibilities of power. [1913 Webster]
  • 3. Ability to answer in payment; means of paying. [1913 Webster]

Synonyms of 'responsibility'

From: Moby Thesaurus