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