1. A special advantage,
immunity, permission, right, or benefit granted to or enjoyed by an individual, class, or caste.
2. Such an advantage, immunity, or right held as a
prerogative of status or rank, and exercised to the exclusion or detriment of others.
3. The principle of
granting and maintaining a special right or immunity: a society based on privilege.
4. Law. The right to privileged communication in a confidential relationship, as between client and attorney, patient and physician, or communicant and priest.