responsible, answerable, accountable, amenable, liable mean subject to being held to account.
responsible implies holding a specific office, duty, or trust. the bureau responsible for revenue collection
answerable suggests a relation between one having a moral or legal obligation and a court or other authority charged with oversight of its observance. an intelligence agency answerable to Congress
accountable suggests imminence of retribution for unfulfilled trust or violated obligation. elected officials are accountable to the voters
amenable and liable stress the fact of subjection to review, censure, or control by a designated authority under certain conditions. laws are amenable to judicial review not liable for the debts of the former spouse
---
Some are wise, some are otherwise, and I have my moments.