A task or role assigned to an individual or department that consists of what they are accountable for.
Merriam-Webster Online Dictionary
responsibility (noun)1.
the quality or state of being as - responsible
a) moral, legal, or mental accountability
b) - reliability trustworthiness
2.
something for which one is - responsible burden has neglected his responsibilities
Merriam-Webster Online Thesaurus
responsibility (noun)1.
the state of being held as the cause of something that needs to be set right
SYNONYMS:
blame, fault, liabilityRELATED WORDS:
accountability, answerability2.
something one must do because of prior agreement
SYNONYMS:
burden, charge, commitment, devoir, do, duty, imperative, incumbency, need, office, responsibilityRELATED WORDS:
oath, pledge, promise, troth, vow, word; arrangement, prearrangement, setup; compact, contract, covenant, pact, trust; debt, payment, tribute; compulsion, constraint, restraint; must, requirement; coercion, duress, force; appointment, engagement, reservation; burden, onusNEAR ANTONYMS:
grace, postponement, stay; discharge, ease, exemption, release, relief, waiver; loophole; alternative, choice, option, pick, preference, selection3.
worthiness as the recipient of another's trust or confidence
SYNONYMS:
dependability, dependableness, reliableness, responsibility, solidity, solidness, sureness, trustability, trustworthinessRELATED WORDS:
inerrancy, infallibility; credibility, creditability, creditablenessNEAR ANTONYMS:
doubtfulness, dubiousness, questionableness, shakiness, uncertainnessResponsibility, Answerability, Commitment