• noun:   the act of keeping back or setting aside for some future occasion
• noun:   something reserved in advance (as a hotel accommodation or a seat on a plane etc.)
• noun:   a statement that limits or restricts some claim

  Example: "He recommended her without any reservations"

• noun:   the written record or promise of an arrangement by which accommodations are secured in advance
• noun:   a district that is reserved for particular purpose
• noun:   the act of reserving (a place or passage) or engaging the services of (a person or group)
• noun:   an unstated doubt that prevents you from accepting something wholeheartedly

Related words...