<p><strong>Noun</strong></p><ul><li>plural noumena</li><li>the object, itself inaccessible to experience, to which a phenomenon is referred for the basis or cause of its sense content</li><li>a thing in itself, as distinguished from a phenomenon or thing as it appears</li><li>Kantianism: something that can be the object only of a purely intellectual, nonsensuous intuition</li></ul>