Kind, merciful (6)
I believe the answer is:
humane
<span class="explanation-format__ClueExplanation">I believe this is a double definition.<br/ ><br/ >'<span class="explanation-format__original">kind</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(similar in meaning)</span><br/ ><br/ >'<span class="explanation-format__original">merciful</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(similar in meaning)</span><br/ ><br/ ></span>
(Other definitions for humane that I've seen before include "Characterised by kindness" , "Compassionate, merciful" , "Compassionate, benevolent" , "Kind-hearted and compassionate" , "Kind and merciful" .)