Responsible (6)
(Other definitions for causal that I've seen before include "Producing an effect" , "Producing an action" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">responsible</span>' is the definition.<br/ ><span class="explanation-format__explanation">(similar in meaning)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for answerable that I've seen before include "Responsible" , "Having to report (to)" , "Taking reponsibility" .)