Synonyms for sagacious

Some common synonyms of sagacious are: sagacious [a.] 1. Quick-scented, quick of scent. 2. Discerning, intelligent, rational, judicious, sage, shrewd, acute, apt, keen, able, perspicacious, wise, sharp-witted, keen-witted, keen-sighted, clear-sighted, long-headed. 3. Sage, wise, enlightened, gifted, sapient. 4. Intelligent (said of animals).