pac·i·fism 
(p
ăs
ə-f
ĭz
′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.