Clap, show approval (7)
I believe the answer is:
applaud
<span class="explanation-format__ClueExplanation">I believe this clue is a double definition.<br/ ><br/ >'<span class="explanation-format__original">clap</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(synonyms)</span><br/ ><br/ >'<span class="explanation-format__original">show approval</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ ></span>
(Other definitions for applaud that I've seen before include "Cheer" , "Show approbation for" , "Clap; praise" , "Approve with clapping" , "Give an ovation" .)