Make extremely happy (5)
I believe the answer is:
elate
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">make extremely happy</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 elate that I've seen before include "Inspirit, make exultant" , "Delight" , "Make delighted or proud" , "Lift (the spirits)" , "Uplift (mood)" .)