perquisite -
a right reserved exclusively by a particular person or group (especially a hereditary or official right); "suffrage was the prerogative of white adult males"
right a turn toward the side of the body that is on the south when the person is facing east; "take a right at the corner"
easement (law) the privilege of using something that is not your own (as using another's land as a right of way to your own land)
perquisite -
an incidental benefit awarded for certain types of employment (especially if it is regarded as a right); "a limousine is one of the fringe benefits of the job"
benefit something that aids or promotes well-being; "for the benefit of all"
apanage,
appanage a grant (by a sovereign or a legislative body) of resources to maintain a dependent member of a ruling family; "bishoprics were received as appanages for the younger sons of great families"
