Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
sagacious is an adjective meaning "acutely insightful and wise". It carries 2 recorded senses.
acutely insightful and wise
“much too perspicacious to be taken in by such a spurious argument”
“observant and thoughtful, he was given to asking sagacious questions”
“a source of valuable insights and sapient advice to educators”
Definitions, synonyms and semantic relations for sagacious come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.