responsible -
worthy of or requiring responsibility or trust; or held accountable; "a responsible adult"; "responsible journalism"; "a responsible position"; "the captain is responsible for the ship's safety"; "the cabinet is responsible to the parliament"
irresponsible showing lack of care for consequences; "behaved like an irresponsible idiot"; "hasty and irresponsible action"
obligated caused by law or conscience to follow a certain course; "felt obligated to repay the kindness"; "was obligated to pay off the student loan"
prudent careful and sensible; marked by sound judgment; "a prudent manager"; "prudent rulers"; "prudent hesitation"; "more prudent to hide than to fight"
trusty,
trustworthy taking responsibility for one's conduct and obligations; "trustworthy public servants"
responsibleness,
responsibility 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"
accountable liable to account for one's actions; "governments must be accountable to someone beside themselves"; "fully accountable for what they did"; "the court held the parents answerable for their minor child's acts of vandalism"; "he was answerable to no one"
answerable morally or legally responsible to a higher authority; "parents are answerable for their child's acts"
amenable disposed or willing to comply; "someone amenable to persuasion"
liable held legally responsible; "men between the ages of 18 and 35 were liable for military service"
responsible -
being the agent or cause; "determined who was the responsible party"; "termites were responsible for the damage"