A thousand dollars! (5)
I believe the answer is:
grand
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">a thousand dollars</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for grand that I've seen before include "Large and imposing" , "Type of piano" , "sum of money" , "PS1000 (sl.)" , "great distinction" .)