contemporaneousness

For all that, eternity appears to have lodged itself in its contemporaneousness.

The contemporaneousness of the deposits of this sea with those of the Aralo-Caspian is also rendered more intelligible.

I think, then, that the contemporaneousness of the evidence is sufficiently established.

Contemporaneousness takes the romance out of everything; otherwise we might be rubbing elbows with heroes.

I'll ease his mind by telling him the subject lacks contemporaneousness.