i Register
In some senses, savvy is marked as informal. Watch for register when choosing this word.
adj
Shrewd, well-informed and perceptive.
That such a safe adaptation could come of The Hunger Games speaks more to the trilogy’s commercial ascent than the book’s actual content, which is audacious and savvy in its dark calculations.
verb
To understand.
He's probably a perfect technician as a surgeon, but he knows you get only what you grab. Think of the years it's taken me to learn what he savvied all the time!
noun
Shrewdness.