She spoke in a tone of voice that she usually 'reserved' for her students. [=that she usually only used for her students]
She usually 'reserved' her best dishes for very important dinners.
This table is 'reserved' for someone else.
(..) your proposition. I asked you if, in light of what I've seen in the North, if I could have access to the restricted area of the library. That area is reserved for maesters. - Are you a maester? - No. Not a very strong proposition, is it? (..)2017 TvShow: Game of Thrones Title: Dragonstone Season: 7 Episode 1