noun.
The act of fraternizing or uniting as brothers.
noun.
Having a friendly relationship with the enemy.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
noun.
associating with others in a brotherly or friendly way; especially with an enemy
Word Usage
"On the other hand, a preliminary study asserted that sending soldiers 'dependents to Germany was a "necessity if non-fraternization is to be made workable.""