To keep back; to retain.
We reserve the right to make modifications.
To keep in store for future or special use.
This cake is reserved for the guests!
To book in advance; to make a reservation.
I reserved a table for us at the best restaurant in town.
To make an exception of; to except.
Slow to reveal emotion or opinions.
He was a quiet, reserved person.
Set aside for a particular person or purpose.
I'm sorry, sir, but these are reserved seats.