Legally answerable (6)
I believe the answer is:
liable
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">legally answerable</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for liable that I've seen before include "Exposed to risk" , "Subject to an obligation" , "'Responsible, answerable (6)'" , "Legally answerable" , "Likely" .)