intelligent synonyms

able original deep ready understanding responsible reasonable quick bright knowing capable sharp alive keen brilliant intellectual creative clever rational acute wise smart exceptional alert profound imaginative talented apt calculating thoughtful gifted shrewd ingenious witty penetrating knowledgeable sage perceptive astute contemplative inventive discriminating discerning judicious resourceful precocious studious sagacious perspicacious quick-witted well-informed clearheaded on the qui vive

sensible farsighted