exclusive right, prerogative, privilege, 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"

public easement - any easement enjoyed by the public in general (as the public's right to use public streets)

right of way - the privilege of someone to pass over land belonging to someone else

jurisprudence, law - the collection of rules imposed by authority; "civilization presupposes respect for the law"; "the great problem for jurisprudence to allow freedom while enforcing order"

reduction, step-down, diminution, decrease - the act of decreasing or reducing something

spasmolysis - the relaxation or relief of muscle spasms

detente - the easing of tensions or strained relations (especially between nations)

palliation - easing the severity of a pain or a disease without removing the cause

liberalisation, liberalization, relaxation - the act of making less strict