Officially recognise (8)
I believe the answer is:
accredit
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">officially recognise</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 accredit that I've seen before include "Red cacti (anag)" , "Attribute (something to)" , "Endorse" , "As envoy recommend" , "Give official recognition to" .)