verb (used without object), frat·er·nized, frat·er·niz·ing.
verb (used with object), frat·er·nized, frat·er·niz·ing.
- fraternal twins,
- fraternity house,
Origin of fraternize
Examples from the Web for fraternise
What need for the soldier and the man of science to fraternise just now?Scientific Essays and Lectures|Charles Kingsley
The pretext of their march was to fraternise, at the federation of the 14th of July, with the other fédérés of the kingdom.History of the Girondists, Volume I|Alphonse de Lamartine
I daresay he thought I might fraternise and forget the past.A Mating in the Wilds|Ottwell Binns
Ayala had, at first, accepted him as a cousin, and had consented to fraternise with him.Ayala's Angel|Anthony Trollope
These latter, however, were not to be trusted and were rather inclined to fraternise with the mob.History of Holland|George Edmundson
1610s, "to sympathize as brothers," from French fraterniser, from Medieval Latin fraternizare, from fraternus "brotherly" (see fraternity). Military sense of "cultivate friendship with enemy troops" is from 1897 (used in World War I with reference to the Christmas Truce). Used oddly by World War II armed forces to mean "have sex with women from enemy countries."
A piece of frat, Wren-language for any attractive young woman -- ex-enemy -- in occupied territory. [John Irving, "Royal Navalese," 1946]
Related: Fraternized; fraternizing.