Con*tempo*ra"ne*ous*ness

from The Collaborative International Dictionary of English v.0.48

Contemporaneous \Con*tem`po*ra"ne*ous\, a. [L. contemporaneus;
   con- + tempus time. See {Temporal}, and cf.
   {Contemporaneous}.]
   Living, existing, or occurring at the same time;
   contemporary.
   [1913 Webster]

         The great age of Jewish philosophy, that of Aben Esra,
         Maimonides, and Kimchi, had been contemporaneous with
         the later Spanish school of Arabic philosophy. --Milman
   -- {Con*tem`po*ra"ne*ous*ness}, n.
   [1913 Webster]