pac·i·fism 
(păsə-fĭz′əm)
(păsə-fĭz′əm)n.
1. The belief that disputes between nations can and should be settled peacefully.
2.
a. Opposition to war or violence as a means of resolving disputes.
b. Such opposition demonstrated by refusal to participate in military action.
[French pacifisme, from pacifique, pacific; see PACIFIC.]
paci·fist n.
pac′i·fistic adj.