Acumen is a quick and shrewd judgement in practical matters. Business acumen, political acumen, sharp acumen.
It nearly always takes a field in front of it, since acumen is judgement about something rather than in general. The Latin means a sharp point, which is the same image as an incisive mind.
1nounacumenA quick and shrewd judgement in practical matters.
“Her business acumen turned a small bakery into a chain of twenty shops.”
acumen is a judgement.
Latin acumen means a sharp point, from acuere, to sharpen.
Proto-Indo-European
*h₂eḱ-
Latin
acūmen — sharp point
English, today
acumen
Borrowed from Latin acūmen (“sharp point”).
Etymology from Wiktionary, CC BY-SA