accountable

adjective

1. subject to the obligation to report, explain, or justify something; responsible; answerable.
2. capable of being explained; explicable; explainable.

adjective

1. responsible to someone or for some action; answerable
2. able to be explained

adj.

“answerable,” literally “liable to be called to account,” c.1400 (mid-14c. in Anglo-French); see account (v.) + -able. Related: Accountably.