Written (6)
I believe the answer is:
penned
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">written</span>' is the definition.<br/ ><span class="explanation-format__explanation">(written with a pen)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for penned that I've seen before include "under house arrest?" , "Confined; written" , "Put down" , "Corralled" , "Shut in" .)