Having the faculty of understanding; capable of comprehending facts or ideas: as, man is an intelligent being.Having an active intellect; possessing aptitude or skill; well informed: as, an intelligent artisan or officer.Marked by or indicating intelligence; guided by knowledge or comprehension: as, the intelligent actions of ants; an intelligent answer.Having knowledge; cognizant: followed by of.Bearing intelligence; giving information; communicative.Synonyms Common-sense, etc. (see sensible); quick, bright, acute, discerning, sharp-witted, clear-headed.