S: (v) connect, link, link up, join, unite (be or become joined or united or linked) "The two streets connect to become a highway"; "Our paths joined"; "The travelers linked up again at the airport"
S: (v) syndicate (join together into a syndicate) "The banks syndicated"
S: (v) articulate (unite by forming a joint or joints) "the ankle bone articulates with the leg bones to form the ankle bones"