Marvel (6)
'marvel' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for miracle that I've seen before include "Event that appears to break the law of nature" , "something amazing" , "Amazing or unexplained occurrence" , "Extraordinary event" , "Reclaim (anag) - supernatural act" .)
'marvel' is the definition.
(I know that marvel can be written as wonder)
This is all the clue.
(Other definitions for wonder that I've seen before include "Marvel or question" , "Feeling of surprise and admiration" , "amazement" , "Something amazing" , "Ponder" .)