Examples from the Web for noumenal
(So are all phenomenal bodies but reflections of the noumenal).
It is the one form in which noumenal reality directly discloses itself to the human mind.
The reality of freedom, as a form of noumenal activity, is the cardinal fact of Kants metaphysics of morals.
Kant here denies all interaction of mind and body, and recognises only the interaction of their noumenal conditions.
They were regarded as correlative opposites, the dual centres of noumenal reference for our merely subjective representations.