Ethics. the doctrine that moral values and duties can be discerned directly.
2. Metaphysics. a.
the doctrine that in perception external objects are given immediately, without the intervention of a representative idea.
the doctrine that knowledge rests upon axiomatic truths discerned directly.
3. Logic, Mathematics.
the doctrine, propounded by L. E. J. Brouwer, that a mathematical object
is considered to exist only if a method for constructing it can be given.
intuitionist, noun, adjective