He has an 'impressive' vocabulary for a 10-year-old.
a large and 'impressive' [='imposing'] building
Her first performance was very 'impressive'.
(..) Oh, my God! Oh, my God, I did that to you? Well, the first time. So technically that was your first and second time? - That's impressive. - Yeah? I would have thought it was your fifth or sixth time. I feel really safe with you, Claire. You are really safe with me. (..)2003 TvShow: Six Feet Under Title: Making Love Work Season: 3 Episode 6