He has an 'impressive' vocabulary for a 10-year-old.
a large and 'impressive' [='imposing'] building
Her first performance was very 'impressive'.
(..) I'd like you to meet Dennis Kim. Dennis is a highly sought-after doctoral candidate. We're hoping to have him do graduate work here. - Graduate work, very impressive. - And he's only years old. Not bad. I myself started graduate school at . Well, I lost a year while my family (..)2008 TvShow: The Big Bang Theory Title: The Jerusalem Duality Season: 1 Episode 12