The activities to prevent, contain, moderate and/or terminate the hostilities between or within States, through the medium of an impartial third party intervention, organised and directed internationally.
the activity of keeping the peace by military forces (especially when international military forces enforce a truce between hostile groups or nations)
of or relating to the preservation of peace between hostile groups by international military forces; "a peacekeeping force"
of or relating to the preservation of peace between hostile groups by international military forces