CHAPTER XXVI I As he walked through the train, looking for familiar faces, he saw only one person whom he knew, and that was Seneca Doane, the lawyer who, after the blessings of being in Babbitt’s own class at college and of becoming a corporation-counsel, had turned crank, had headed farmer-labor tickets and fraternized with admitted socialists.
There are no more uses of "fraternize" in the book.
Show samples from other sources
Our diplomats are told not to fraternize with prostitutes.
discourages managers from fraternizing with those who report to them