He has an 'impressive' vocabulary for a 10-year-old.
a large and 'impressive' [='imposing'] building
Her first performance was very 'impressive'.
(..) - Approaching Yorktown base. - I'm on my way, Mr. Sulu. Let's keep this birthday thing in a wraps something. You know me. Mr. Sensitive. Aaah, that is impressive. Ay. She is a beauty, isn't she? What a damn monstrosity. Can't we just wrap some space on a planet? could cause diplomatic tension. (..)2016 Star Trek Beyond