Noun
a policy of not initiating hostilities
Source: WordNetThen I realised that it really is a philosophy that we're talking about, you know-the nonaggression axiom, that the government should be bound by the same moral laws that the rest of us are. Once you realise that, you're like, "Oh!" Your entire world opens up, and then your entire paradigm changes. Glenn Jacobs
they signed a nonaggression pact Source: Internet
Mattingly (1938) studied the causes of wars in that era, finding that treaties of nonaggression such as this one could never be stronger than the armies of their sponsors. Source: Internet
The Basic Agreement, signed on 13 December 1991, called for reconciliation and nonaggression established four joint commissions. Source: Internet