frat·er·nize [ fráttər nz ](past and past participlefrat·er·nized, present participlefrat·er·niz·ing, 3rd person present singularfrat·er·niz·es)
verb
Definition:
1. intransitive verb spend time with people: to spend time socially with other people, especially people with whom it is not regarded as acceptable to be friendly fraternizing with the enemy
2. transitive and intransitive verb have sexual relationships against regulations: to enter into a sexual relationship with a person of a different rank against military regulations
[Early 17th century. Via French< medieval Latin fraternizare< Latin frater "brother"]
