Causing wonder (7)
I believe the answer is:
amazing
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">causing wonder</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 amazing that I've seen before include "Fantastic" , "Sensational" , "Hymn that 'sav'd a wretch like me'?" , "Unbelievable!" , "Staggering" .)