peacekeeping
1. [ adjective ] of or relating to the preservation of peace between hostile groups by international military forces
Examples:

"a peacekeeping force"

2. [ noun ] (military) the activity of keeping the peace by military forces (especially when international military forces enforce a truce between hostile groups or nations)
Synonyms: peacekeeping_mission peacekeeping_operation
Related terms: operation military
Similar spelling:   peacekeeper