Proportionate; commensurate; suitable; as, an achievement answerable to the preparation for it
Obliged to answer; liable to be called to account; liable to pay, indemnify, or make good; accountable; amenable; responsible; as, an agent is answerable to his principal; to be answerable for a debt, or for damages
Will any man argue that . . . he can not be justly punished, but is answerable only to God? --Swift.
If you are answerable for your actions or for someone else's actions, you are considered to be responsible for them and if necessary must accept punishment for them. He must be made answerable for these terrible crimes. = accountable
If you are answerable to someone, you have to report to them and explain your actions. Councils should be answerable to the people who elect them