Attires (7)
I believe the answer is:
dresses
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">attires</span>' is the definition.<br/ ><span class="explanation-format__explanation">(dressing is a kind of attiring)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for dresses that I've seen before include "Puts clothes on" , "Costumes" , "Frocks" , "falls into line" , "sacks, possibly" .)