Confabulate v. i. (past & past part. confabulated; pres. part. confabulating) To talk familiarly together; to chat; to prattle. "I shall not ask Jean Jaques Rousseau If birds confabulate or no."
... Mr. Scott deferentially, clearing his throat, "would you-all be good enough to jine our little gatherin' while we confabulate on ... — O. Henry Memorial Award Prize Stories of 1920 • Various