shrewdness

noun

1. (countable, uncountable)The quality of being shrewd.

   “A man with less worldly shrewdness would never have seen how things really stood; a man with less pliability could never have adapted himself to them. It must always be remembered, that his whole administration was one long struggle: he had to maintain his master on the throne, and himself in the ministry; and this was done by sheer force of talent.”

2. (countable, uncountable)An invented collective name for a group of apes.