Hearten (5)
I believe the answer is:
cheer
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">hearten</span>' is the definition.<br/ ><span class="explanation-format__explanation">(synonyms)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for cheer that I've seen before include "Encouraging shout" , "Applaud vocally, hurray etc" , "Shout hooray" , "Give comfort or support to" , "pair of hips can get me going!" .)