A transcendentalist.
(Platonism, Christian theology, usually in the plural) Any one of the three transcendental properties of being: truth, beauty or goodness, which respectively are the ideals of science, art and religion and the principal subjects of the study of logic, aesthetics and ethics.
Concerned with the a priori or intuitive basis of knowledge, independent of experience.
Superior; surpassing all others; extraordinary; transcendent.
Mystical or supernatural.
(of a number or an element of an extension field) Not algebraic (i.e., not the root of any polynomial that has positive degree and rational coefficients).
(of an extension field) That contains elements that are not algebraic.