In later life, his physical condition worsened but he never lost his mental acumen.

Its appearance in the middle of this presentation without any labels or explanation from Avi makes it an implicit challenge to the mental acumen of the other people in the room.

It didn't take much mental acumen to see that I was lying on the infirmary's one bed.

Both sides of the "whole math" debate recognize the need to equip our children with the mental acumen to investigate, pursue, discover and create.

The Leader has superhuman mental acumen, as a result of his exposure to an explosion of gamma-irradiated waste.

"I suppose your lack of mental acumen can be attributed to the blow to your head."

Carrying a child should enhance her mental acumen in battle, so why delay?

Nevertheless, today his mental acumen seemed to be as sharp and agile as: in his prime.

For all of Woodstock's mental acumen, he is physically a very poor flyer, which has been a character trait since he first appeared.

In his solitude Richard's greatest challenge had been to retain his mental acumen.