noun

• The state of being responsible, accountable, or answerable. [from Template:SAFESUBST: c.]
• 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.