the power or faculty of the mind by which one knows or understands, as distinguished from that by which one feels and that by which one wills; the understanding; the faculty of thinking and acquiring knowledge.
2.
capacity for thinking and acquiring knowledge, especially of a high or complex order; mental capacity.
3.
a particular mind or intelligence, especially of a high order.
4.
a person possessing a great capacity for thought and knowledge.
5.
minds collectively, as of a number of persons or the persons themselves.