Calm, appease (7)
I believe the answer is:
placate
<span class="explanation-format__ClueExplanation">I believe this clue is a double definition.<br/ ><br/ >'<span class="explanation-format__original">calm</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(placating is a kind of calming)</span><br/ ><br/ >'<span class="explanation-format__original">appease</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(I know that appease can be written as placate)</span><br/ ><br/ ></span>
(Other definitions for placate that I've seen before include "Mollify, calm down" , "Mollify, appease" , "Pale cat could pacify" , "Mollify, soothe anger" , "Make calm, conciliate" .)