Connection

a relation between things or events (as in the case of one causing the other or sharing features with it)

the state of being connected

an instrumentality that connects

(usually plural) a person who is influential and to whom you are connected in some way (as by family or friendship)

the process of bringing ideas or events together in memory or imagination

a connecting shape

a supplier (especially of narcotics)

shifting from one form of transportation to another

the act of bringing two things into contact (especially for communication)