res·er·va·tion 
(rĕz′ər-vāshən)
(rĕz′ər-vāshən)n.
1. The act of reserving; a keeping back or withholding: the reservation of the right to use the property.
2.
a. A limiting qualification, condition, or exception: accepted with the reservation that she would have to leave early.
b. often reservations A doubt or misgiving: has reservations about the proposal.
3. A tract of land set apart by the federal government for a special purpose, especially one for the use of a Native American people.
4. An arrangement by which accommodations are secured in advance, as in a hotel or restaurant or on an airplane.
res′er·vation·ist n.