He has an 'impressive' vocabulary for a 10-year-old.
a large and 'impressive' [='imposing'] building
Her first performance was very 'impressive'.
(..) if you keep changing things like this... Jeez, mind telling your subconscious to take it easy? It's my subconscious. Remember? I can't control it. Very impressive. I know this bridge. This place is real, isn't it? Yeah, I cross it every day to get to the college. (..)2010 Inception