noun. In metaphysics, the doctrine that the absolute is known, in its existence, by an immediate cognition of the understanding.

noun. The doctrine that the perception or recognition of primary truth is intuitive, or direct and immediate; -- opposed to sensationalism, and experientialism.

noun. The doctrine that the perception or recognition of primary truth is intuitive, or direct and immediate.

"Esoterically understood, his novel teaches a doctrine of mysticism, intuitionalism, and materialism combined."

experientialism  sensationalism