AK-yoo-men

Definition

(noun) The ability to make quick, smart judgments and decisions; keen insight and shrewdness.

Example

Her financial acumen was evident from the start — within six months of joining the firm, she had identified three inefficiencies that had gone unnoticed for years.

Word Origin

Acumen comes directly from the Latin acumen, meaning “sharpness” or “a point,” derived from acuere — “to sharpen.” The same root gives us acute, acupuncture, and acuity — all words carrying the sense of something pointed, precise, and penetrating. It entered English in the 16th century, originally used to describe mental sharpness before settling into its modern sense of shrewd, practical judgment.