Barmecide n. : One who proffers some illusory advantage or benefit. Also used as an adj.: Barmecidal.

Example:


Taxonomy
Barmakids, Abbasids, family, Baghdad, Harun al-Rashid, Ibn, free encyclopedia, historians, Origins, brother, mansion, Encyclopædia Britannica, caliph, Influence, Disgrace, the Buddhist monastery, scholars, Jafar.

Defination from the web:
Barmecide) Jump to: navigation, search ... of One Thousand and One Nights, the vizier Ja'far appears in several stories, as well as a tale that gave rise to the expression "Barmecide feast" ...