Gobsmack (3)
(Other definitions for awe that I've seen before include "Amazed wonder" , "Reverent fear" , "Wonderment" , "Fearful respect" , "Fear/wonder feeling" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">gobsmack</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 wow that I've seen before include "Expression of amazement" , "Exclamation of admiration - another palindrome" , "Palindromic exclamation of surprise or admiration" , "that's incredible!" , "Impress hugely" .)