relationship

(n) a relation between people; ("relationship" is often used where "relation" would serve, as in "the relationship between inflation and unemployment", but the preferred usage of "relationship" is for human relations or states of relatedness)
- the relationship between mothers and their children
human relationship,
(n) a state of connectedness between people (especially an emotional connection)
- he didn't want his wife to know of the relationship
(n) a state involving mutual dealings between people or parties or countries
(n) (anthropology) relatedness or connection by blood or marriage or adoption family relationship, kinship,

human relationship family relationship kinship