The article deals with the problem of communications at the court of Burgundy of the 15th century. The etiquette in the communicative sphere becomes to emerge at the Burgundian court. Analyzing the treatise of the Burgundian courtier Jean de Lannoy (1410—1493), who paid essential attention to the problem of speech, and especially to a dialogue at the court, Y. P. Krylova comes to a conclusion that in the 15th century, during the expansion of courts and increasing of the number of people there, the specific court paradigms of communication start to develop in the society of court and it comes the understanding about necessity of self-control in the limited space of court crowded by people.