The article aims to study the phenomenon and theoretical concept of hospitality in historical, cultural and socio-philosophical contexts. It has been proved that hospitality is an actual strategy of attitude to the Other. Hospitality has been defined as an interaction with the Other, attitude to the Other as a guest. The essential features of hospitality, its transformation from traditional forms to modern dimensions, mechanisms of implementation of the abstract law of hospitality in contemporary social practices have been analyzed. It is emphasized that hospitality acts as a universal norm and form of coexistence of people, interaction of different cultures, nations, ethnic groups. The potential of dialogicity and tolerance inherent in hospitality, which is interpreted as protection and assistance to humans in a changing global world, the foundation of understanding the Other have been revealed. Hospitable interaction is not limited to the socio-cultural experience of interpersonal relations but is shown as an acceptable model that introduces the principle of consent in intercultural relations in the field of migration, tourist exchanges and other social processes.