Reduced hostilities (7)
I believe the answer is:
detente
'reduced hostilities' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for detente that I've seen before include "The easing of tensions between nations" , "Easing of hostilities" , "Improvement of political relations" , "Relaxed relations" , "relaxation" .)