Source : Webster's Revised Unabridged Dictionary (1913)

Contemporaneity \Con*tem`po*ra*ne"i*ty\, n.
   The state of being contemporaneous.

         The lines of contemporaneity in the o["o]litic system.
                                                  --J. Philips.

Source : WordNet®

contemporaneity
     n 1: the quality of being current or of the present; "a shopping
          mall would instill a spirit of modernity into this
          village" [syn: {modernity}, {modernness}, {modernism}, {contemporaneousness}]
     2: the quality of belonging to the same period of time [syn: {contemporaneousness}]