The term "intellect" includes all those powers by which we acquire, retain, and extend our knowledge; as perception, memory, imagination, judgment, and the like.
William FlemingScience is knowledge certain and evident in itself, or by the principles from which it is deducted, or with which it is certainly connected. It is subjective, as existing in the mind; objective, as embodied in truths; speculative, as leading to do something, as in practical science.
William Fleming