Officially recognised (10)
(Other definitions for accredited that I've seen before include "Certified officially" , "Given official recognition" , "Given official authorisation" , "Broadcast" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">officially recognised</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 formal that I've seen before include "Regular" , "Ceremonial or official" , "according to protocol" , "Essential" , "Official - conventional" .)