Motives, reasons (6)
I believe the answer is:
causes
<span class="explanation-format__ClueExplanation">I believe this is a double definition.<br/ ><br/ >'<span class="explanation-format__original">motives</span>' is the first definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >'<span class="explanation-format__original">reasons</span>' is the second definition.<br/ ><span class="explanation-format__explanation">(the reasons for something)</span><br/ ><br/ ></span>
(Other definitions for causes that I've seen before include "Factors" , "Brings" , "Reasons why things happen" , "They bring about effects" , "Gives rise to -- crusades" .)