Pronunciation: (frat'ur-nīz"), [key]
—v., -nized, -niz•ing.
1. to associate in a fraternal or friendly way.
2. to associate cordially or intimately with natives of a conquered country, enemy troops, etc.
Archaic.to bring into fraternal association or sympathy. Also, esp. Brit.,frat'er•nise".
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.