- be on friendly terms with someone, as if with a brother, especially with an enemy
- Fraternization is "turning people into brothers" - conducting social relations with people who are actually unrelated and/or of a different class (especially those with whom one works) as though they were siblings, family members, personal friends or lovers.
- (fraternization) The act of fraternizing or uniting as brothers
- (FRATERNIZATION) to consort or associate cordially with members of a hostile group is strictly prohibited; as between enlisted and commissioned RANKs, between male and female MIL-PERS, between constabulary and civilians in occupied or pacified territory. ...