Definitions
1.adjectiveRequired to justify one's actions (to somebody); accountable, responsible.
2.adjective(of a question) Able to be answered.
3.adjectiveCorrespondent, in accordance; comparable (to).
4.adjectiveProportionate; commensurate in amount; suitable.
5.adjective(of an argument) Capable of being answered or refuted; admitting a satisfactory answer.