Neatly arranged (7)
I believe the answer is:
orderly
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">neatly arranged</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 orderly that I've seen before include "Methodical; hospital worker" , "He should leave the ward neat" , "Neat, tidy; soldier" , "Tidy officer's attendant" , "Regular - soldier" .)