Webster's Revised Unabridged Dictionary · 1913

Contemporaneous

Contemporaneous , adjective

[Latin contemporaneus; con- + tempus time. See Temporal, and compare Contemporaneous.]

Living, existing, or occurring at the same time; contemporary.
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