n. 25B6; noun ASTUTENESS, shrewdness, acuity, sharpness, sharp-wittedness, cleverness, smartness, brains; judgement, understanding, awareness, sense, common sense, canniness, discernment, wisdom, wit, sagacity, perspicacity, insight, perception, penetration; informal nous, savvy, know-how, horse sense; N. Amer. informal smarts; formal perspicuity.
ACUMEN
Meaning of ACUMEN in English
Concise Oxford thesaurus English vocabulary. Краткий оксфордский словарь английского языка тезаурус. 2012