noumenon

Glassley tries also to grasp something beyond: the noumenon, an ineffable inner reality in things that cannot be discerned by the senses.

From Nature ● Feb. 5, 2018

On the contrary, he accepted it, and he has made the words "phenomenon" and "noumenon" household words in philosophy.

From An Introduction to Philosophy by George Stuart Fullerton

The "colligation" of the facts, to use Whewell's phrase, is not a phenomenon, but a noumenon.

From Logic, Inductive and Deductive by William Minto

The noumenon is a bit difficult to locate; it can be apprehended only be a process of reasoning—which is a phenomenon.

From The Devil's Dictionary by Ambrose Bierce

Later, in his movement towards Positivism, he strongly repudiates Kant’s separation of phenomenon from noumenon, and affirms that our intellect is capable of grasping the whole reality.

From Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 8 "Dubner" to "Dyeing" by Various

Those kinds of questions, and that kind of connection to the noumena of travel, would never arise from a downloaded file on a digital device.

From Washington Post ● Feb. 17, 2022

Or, in other words, he shows that the postulation of phenomena necessitates the further postulation of noumena of which phenomena are the manifestations.

From A Candid Examination of Theism by George John Romanes

In all his stories you will find this same concern with the inextricable movement of phenomena and noumena between event and event, this same curiosity as to first causes and ultimate effects.

From A Book of Prefaces by H. L. (Henry Louis) Mencken

"I seek after noumena," repeated Chaffery with great satisfaction, and gesticulated with his hand, waving away everything but that.

From Love and Mr. Lewisham by H. G. (Herbert George) Wells

The “Kritik” of Kant bears upon the subject as well as the object; according to it both the one and the other are unknowable and incomprehensible noumena.

From The Contemporary Review, Volume 36, October 1879 by Various