Allocate (6)
I believe the answer is:
assign
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">allocate</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 assign that I've seen before include "share out" , "Allocate or transfer" , "Detail" , "Determine" , "Allot, allocate" .)