Officially assign (7)
I believe the answer is:
appoint
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">officially assign</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for appoint that I've seen before include "Put into a post" , "Designate (job)" , "Assign job to (someone)" , "Fix" , "Assign position to" .)