adjective
1.
Synonyms: intelligent 2, brainy, bright, brilliant, clever, knowledgeable, quick-witted, ready-witted, sharp, smart
Related Word: vigilant, watchful; discerning, observant, perceptive
Contrasted words: blunt, obtuse
2.
Synonyms: wise 1, discerning, gnostic, insighted, insightful, knowledgeable, perceptive, sagacious, sage, sophic
3.
Synonyms: wise 4, canny, hep, nimble-witted, quick, quick-witted, sharp, sharp-witted, slick, smart
4.
Synonyms: aware , alive, apprehensive, awake, cognizant, conscious, conversant, sensible, sentient, witting
5.
Synonyms: sophisticated 2, blasé, disenchanted, disentranced, disillusioned, mondaine, sophisticate, worldly, worldly-wise, world-wise