responsibility

noun

• The state of being responsible, accountable, or answerable.

  "Responsibility is a heavy burden."

• The state of being liable, culpable, or responsible for something in particular.
• A duty, obligation or liability for which someone is held accountable.

  "Why didn't you clean the house? That was your responsibility!"

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