acumen - Dictionary definition and meaning for word acumen
acumen sounds like IQ-men.. men with high IQ have ability to judge quickly (has keen insight).
acumen sounds like "IQ-man" or "a quick man" which grasps quickly
acu+men its sounding like active men. Active men have an ability to think and judge quickly
acute of men-->ability to understand and judge any men quickly Ex:Business ACUMEN
Acumen could be seen as ACCURATE - MEN
think acute man, acute meaning ability to think with focus
A-CUrious-MEN : curious men are always keen about everything going around