Stately, splendid (5)
I believe the answer is:
grand
<span class="explanation-format__ClueExplanation">I believe this is a double definition.<br/ ><br/ >'<span class="explanation-format__original">stately</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >'<span class="explanation-format__original">splendid</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(I've seen this in other clues)</span><br/ ><br/ ></span>
(Other definitions for grand that I've seen before include "Stately - splendid" , "PS1000 (sl.)" , "Designed to impress" , "1000, colloquially" , "Imposing; PS1,000" .)