'Responsibleness' definitions:

Definition of 'responsibleness'

(from WordNet)
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 'Responsibleness'

From: GCIDE
  • Responsible \Re*spon"si*ble\ (r?*sp?n"s?*b'l), a. [Cf. F. responsable. See Respond.]
  • 1. Liable to respond; likely to be called upon to answer; accountable; answerable; amenable; as, a guardian is responsible to the court for his conduct in the office. [1913 Webster]
  • 2. Able to respond or answer for one's conduct and obligations; trustworthy, financially or otherwise; as, to have a responsible man for surety. [1913 Webster]
  • 3. Involving responsibility; involving a degree of accountability on the part of the person concerned; as, a responsible office. [1913 Webster]
  • Syn: Accountable; answerable; amenable. [1913 Webster] -- {Re*spon"si*ble*ness}, n. -- {Re*spon"si*bly}, adv. [1913 Webster]