He has an 'impressive' vocabulary for a 10-year-old.
a large and 'impressive' [='imposing'] building
Her first performance was very 'impressive'.
(..) across the river of dread until the point where hope is dimly visible. And then stop the boat, shove them in the water and make them swim. That was really impressive. Are you gonna put that in your book? I got to grab this. I'll meet you at the car rental. Okay. Hey, I was hoping I'd hear from you. (..)2009 Up in the Air