syn·chro·nic·i·ty 
(sĭng′krə-nĭsĭ-tē, sĭn′-)
(sĭng′krə-nĭsĭ-tē, sĭn′-)n. pl. syn·chro·nic·i·ties
1. The state or fact of being synchronous or simultaneous; synchronism.
2. Coincidence of events that appear meaningfully related but do not seem to be causally connected, taken by Jungian psychoanalytic theory to be evidence of a connection between the mind and material objects.