Definition of "noumena" []

• Plural form of noumenon. (noun)

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• "The germ of the conception of what the philosopher speaks of as the noumena, or actualities, back of phenomena or appearances, had perhaps this crude beginning."
• "To know “things in themselves” or noumena, that is, what ultimately causes them to affect us as they do or what governs their existence or consti - tutes their essence, we should have to possess some direct insight into their nature."
• "Nay, further, this conception is necessary to restrain sensuous intuition within the bounds of phenomena, and thus to limit the objective validity of sensuous cognition; for things in themselves, which lie beyond its province, are called noumena for the very purpose of indicating that this cognition does not extend its application to all that the understanding thinks."