Magnificent, glorious (7)
I believe the answer is:
sublime
<span class="explanation-format__ClueExplanation">I believe this is a double definition.<br/ ><br/ >'<span class="explanation-format__original">magnificent</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >'<span class="explanation-format__original">glorious</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(similar in meaning)</span><br/ ><br/ ></span>
(Other definitions for sublime that I've seen before include "Wonderful" , "Transcendent" , "Magnificent" , "Heavenly" , "Awe-inspiring - exalted" .)