A person who hypothesizes.
Any of several systems that attempt to make educated guesses from incomplete information.
An intelligent, learned person, especially one who discourses about learned matters.
Relating to the understanding; treating of the mind.
Suitable for exercising one's intellect; perceived by the intellect
Pertaining to, or performed by, the intellect; mental or cognitive.
Endowed with intellect; having a keen sense of understanding; having the capacity for higher forms of knowledge or thought; characterized by intelligence or cleverness