Moving upwards (6)
I believe the answer is:
rising
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">moving upwards</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 rising that I've seen before include "Moving upward" , "Ascension" , "Approaching the age of" , "Ascending" , "A revolt; getting up" .)