Definition of Sagacity: Sagacity (noun): The quality of being sagacious; keen mental discernment and good judgment; wisdom. Synonyms: wisdom, insight, discernment, prudence Antonyms: foolishness, ignorance, naivety, rashness Memory Tip: Think of “sagacity” as the wisdom of an owl, known for its ability to see clearly in the dark and make wise decisions. Conversation and Short…