What is the meaning of responsible?

adjective

• Worthy of or requiring responsibility or trust; or held accountable.
  • usage: "a responsible adult"; "responsible journalism"; "a responsible position"; "the captain is responsible for the ship's safety"; "the cabinet is responsible to the parliament"
• Being the agent or cause.
  • usage: "determined who was the responsible party"; "termites were responsible for the damage"
  • synonyms: responsible for
• Having an acceptable credit rating.
  • usage: "a responsible borrower"
  • synonyms: creditworthy