connection, relation, relationship (relationship existing between two things)
connection, bond relation, relationship (contact between two things between connectedness or communication may be established)
bond, relation, relationship (that which connects two things)
relationship (romantic connection between two people)
union, association (institution whose aim is to realize common goals of its members)
compound (substance formed by chemical bonding of two or more elements in definite proportions by weight)
point, meaning, sense; logic
(obsolete) bond (that which physically connects things)
(obsolete) bind (that which prohibits or inhibits)
(obsolete) bunch, bundle, cluster, sheaf
(obsolete) chain, belt (line of similar objects)
(obsolete) ligament