Rational
Part of speech: adjective
Definition: Reasonable; not absurd, foolish, emotional, or fanciful. Capable of reasoning. Of a number, capable of being expressed as the ratio of two integers. Of an algebraic expression, capable of being expressed as the ratio of two polynomials.
Part of speech: noun
Definition: A rational number: a number that can be expressed as the quotient of two integers.
Example sentence: Make women rational creatures, and free citizens, and they will quickly become good wives; - that is, if men do not neglect the duties of husbands and fathers.
Noetic
Part of speech: adjective
Definition: Of or pertaining to the mind or intellect.Originating in or apprehended by reason.
Part of speech: noun
Definition: The science of the intellect.A purely intellectual entity.