Synonyms and related words :
acute, adroit, alert, all-knowing, apperceptive, appercipient, apprehending, apprehensive, apt, astute, au fait, aware, brainy, bright, brilliant, canny, cerebral, clever, cognizant, comprehending, conceptive, conceptual, conscious, consequent, cunning, discerning, discursive, docile, educable, endopsychic, enlightened, erudite, facile, formable, gifted, ideational, impressionable, ingenious, insightful, instructable, intellectual, internal, keen, knowing, knowledgeable, logical, malleable, mental, mindful, moldable, motivated, noetic, noological, not so dumb, omniscient, perceptive, percipient, perspicacious, phrenic, plastic, pliable, prehensile, psychic, psychologic, quick, quick-witted, rational, ready, reasonable, reasoning, receptive, ripe for instruction, sagacious, sage, sane, savvy, schoolable, sensible, sharp, shrewd, smart, sophic, sound, spiritual, strong-minded, subjective, susceptible, teachable, thinking, thirsty for knowledge, trainable, understanding, willing, wise