He has an 'impressive' vocabulary for a 10-year-old.
a large and 'impressive' [='imposing'] building
Her first performance was very 'impressive'.
(..) And everyone will be able to see me for what I truly am. And who are you? Don't you know? I am Electro. Initiate lockdown procedure immmediately. Very impressive, Electro. Lockdown began. Aunt May? What are you doing? When did you do this? There's something you're not telling me, Aunt May. (..)2014 The Amazing Spider-Man 2