Demilitarise (6)
I believe the answer is:
disarm
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">demilitarise</span>' is the definition.<br/ ><span class="explanation-format__explanation">(synonyms)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for disarm that I've seen before include "Abandon MAD" , "Take weapons from or captivate" , "Remove suspicion" , "Placate" , "Do away with weaponry" .)