• (a.) Of or pertaining to synchronism; arranged according to correspondence in time; as, synchronistic tables.
Syn`chro·nis'tic adjective Of or pertaining to synchronism; arranged according to correspondence in time; as, synchronistic tables. 
synchronistic Belonging to synchronism; relating to or exhibiting the concurrence of events in time; also loosely, involving synchronism, synchronous, simultaneous.synchronism, synchrony, synchronistic 1. The quality of being synchronous; occurrence of two or more events at the same time; the condition of being simultaneous; concurrence of two or more events in time; contemporary existence or occurrence. 2. Arrangement or treatment of synchronous events, etc. together or in conjunction, as in a history; agree...