con·flu·ence 
(kŏnfl-əns)
(kŏnfl-əns)n.
1.
a. A flowing together of two or more rivers or streams.
b. The point of juncture of such rivers or streams.
c. The combined river or stream formed by this juncture.
2. A gathering, flowing, or meeting together at one juncture or point: "A confluence of negative events conspired to bring down bond prices" (Michael Gonzalez).