Relationship by marriage (as between a husband and his
wife’s blood relations, or between a wife and her husband’s blood
relations); – in contradistinction to consanguinity, or relationship
by blood; – followed by with, to, or between.

Kinship generally; close agreement; relation; conformity;
resemblance; connection; as, the affinity of sounds, of colors, or of
languages.

Companionship; acquaintance.

A relation between species or highe/ groups dependent on
resemblance in the whole plan of structure, and indicating community of
origin.

A superior spiritual relationship or attraction held to
exist sometimes between persons, esp. persons of the opposite sex;
also, the man or woman who exerts such psychical or spiritual
attraction.