Associated with formal writing (8)
I believe the answer is:
literary
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">associated with formal writing</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 literary that I've seen before include "Concerning written material" , "Bookish" , "Relating to writing of artistic merit (8)" , "Type of writing of artistic merit" , "Relating to books and other writings" .)