perspicacious Synonyms

clear-eyed sapient sagacious clear-sighted worldly wise sharp sensitive sensible sane sage rational quick-witted quick prudent sharp-witted shrewd streetwise quick on the uptake insightful long-headed knowledgeable savvy wise trenchant thoughtful sound smart profound politic piercing foresighted discriminating discerning clever canny brilliant bright brainy aware astute alert incisive intelligent intuitive percipient perceptive penetrative penetrating pawky observant