Fade (4)
(Other definitions for pale that I've seen before include "livid" , "Upright member" , "stick" , "Light in colour" , "White" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">fade</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for wilt that I've seen before include "Ave --; black --" , "lose energy?" , "Lose freshness and droop" , "fade" , "(Of plant) become limp" .)