[acu.men] n [L acumin-, acumen, lit., point, fr. acuere] (ca. 1580): keenness and depth of perception, discernment, or discrimination esp. in practical matters: shrewdness syn see discernment
ACUMEN
Meaning of ACUMEN in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012