Synonyms and related words :
all-knowing, apperceptive, appercipient, apprehending, apprehensive, au courant, au fait, authoritative, aware, brainy, bright, brilliant, clever, cognizant, comprehending, confined, conscious, cultured, discerning, enlightened, erudite, expert, familiar, feature, featured, gnostic, in the know, insightful, intelligent, knowing, knowledgable, learned, limited, mindful, omniscient, perceptive, percipient, perspicacious, prehensile, quick-witted, ready, restricted, sagacious, sage, sensible, sharp, shrewd, smart, sophic, sophisticated, specialist, specialistic, specialized, technical, understanding, well-educated, well-informed, well-read, wise, worldly