Source : Webster's Revised Unabridged Dictionary (1913)

Accountable \Ac*count"a*ble\, a.
   1. Liable to be called on to render an account; answerable;
      as, every man is accountable to God for his conduct.

   2. Capable of being accounted for; explicable. [R.]

            True religion . . . intelligible, rational, and
            accountable, -- not a burden but a privilege. --B.
                                                  Whichcote.

   Syn: Amenable; responsible; liable; answerable.

Source : WordNet®

accountable
     adj : liable to account for one's actions; "governments must be
           accountable to someone beside themselves"; "fully
           accountable for what they did"; "the court held the
           parents answerable for their minor child's acts of
           vandalism"; "he was answerable to no one"