[n] the act of keeping back or setting aside for some future occasion
[n] the act of reserving (a place or passage) or engaging the services of (a person or group); "wondered who had made the booking"
[n] an unstated doubt that prevents you from accepting something wholeheartedly
[n] something reserved in advance (as a hotel accommodation or a seat on a plane etc.)
[n] a statement that limits or restricts some claim; "he recommended her without any reservations"
[n] the written record or promise of an arrangement by which accommodations are secured in advance
[n] a district that is reserved for particular purpose