the state or fact of being responsible.

an instance of being responsible

The responsibility for this mess is yours!

a particular burden of obligation upon one who is responsible

the responsibilities of authority.

a person or thing for which one is responsible

A child is a responsibility to its parents.

reliability or dependability, esp. in meeting debts or payments. ?

on one's own responsibility

on one's own initiative or authority

He changed the order on his own responsibility.

noun

exemption , freedom , immunity , irresponsibility , distrust , immaturity

noun

albatross * , amenability , answerability , authority , boundness , burden , care , charge , constraint , contract , culpability , duty , encumbrance , engagement , fault , guilt , holding the bag , importance , incubus , incumbency , liability , obligation , obligatoriness , onus , pledge , power , rap , restraint , subjection , trust , ability , capableness , capacity , competency , conscientiousness , dependability , dependableness , efficiency , faithfulness , firmness , honesty , levelheadedness , loyalty , rationality , reliability , sensibleness , soberness , stability , steadfastness , trustiness , uprightness , commitment , imperative , must , need , accountability , blame , function , sphere