Pronunciation: (in-tel'i-junt),[key] —adj. 1. having good understanding or a high mental capacity; quick to comprehend, as persons or animals: an intelligent student. 2. displaying or characterized by quickness of understanding, sound thought, or good judgment: an intelligent reply. 3. having the faculty of reasoning and understanding; possessing intelligence: intelligent beings in outer space. 4. Computers.pertaining to the ability to do data processing locally; smart: An intelligent terminal can edit input before transmission to a host computer. Cf. dumb (def. 8).
5. Archaic.having understanding or knowledge (usually fol. by of).