A payment, profit, or benefit received in addition to a regular wage or salary especially when it is due or expected, a gratuity or tip. Also something regarded or claimed as an exclusive right by virtue of one's social position or rank.

Synonyms of perquisite are: reward, advantage, largess, extra, perk.

Here is an example of perquisite in a sentence: "The new homeowners gave a perquisite to the movers after they did such a good and professional job with their possessions."

Another example of perquisite in a sentence is as follows: "The family had the perquisites of the upper-middle class, employing a maid, a chauffeur-gardener, and an Irish Catholic nanny"

More Info: www.thefreedictionary.com