percipient Synonyms

clear beholder perceiver observer sensible sensate sensitive sapient sage sagacious quick-witted appercipient quick prudent profound prehensile preceptive politic sharp sharp-witted shrewd unmortgaged perceptual insightful onlooker long-headed knowledgeable savvy apperceptive on the qui vive well-advised wise trenchant thoughtful sound smart piercing perspicuous farsighted discriminating discerning deep cognitive clever clear-sighted canny bright brainy aware astute