Royal power (7)
I believe the answer is:
majesty
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">royal power</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 majesty that I've seen before include "Royal power" , "August character" , "Supreme power" , "Impressive beauty" , "Monarch" .)