responsible

adjective | re·spon·si·ble
  1. a : liable to be called on to answer

    b : liable to be called to account as the primary cause, motive, or agent

    c : liable to legal review or in case of fault to penalties

  1. : characterized by trustworthiness, integrity, and requisite abilities and resources awarded the contract to the lowest responsible bidder

  1. : able to choose for oneself between right and wrong

  1. : marked by or involving accountability a responsible office