hospitality
Asylum (antiquity) – Place of refuge in antiquity
Bread and salt – Greeting ceremony in European and Middle-Eastern cultures
Hospitality service – Form of hospitality and lodging
Hospitality management studies – Study of the hospitality industry
Hospitality law – legal or social practice
Hospitium – Greco-Roman hospitality concept
Hotel manager – Person managing a hotel
Maître d'hôtel – Manager of the public part of a formal restaurant
Nanawatai – Pashtun concept of sanctuary at all costs
Reciprocal altruism – Form of behaviour between organisms
Reciprocity (social psychology) – Social construct
Reciprocity (cultural anthropology) – concept in cultural anthropology that refers to the non-market exchange of goods or labour
Sanctuary – Sacred place