con·ge·nial·i·ty \kənˌjēnēˈaləd.ē, -ˌjēnˈya-, -ətē, -i\noun (-es) : the quality or state of being congenial : affinity of spirit or temperament < the congeniality of Stoicism to the Roman mind — T.S.Eliot > : mutual agreeableness < an easy congeniality between officers and men >