A collegium (plural collegia), or college, was any association in ancient Rome that acted as a legal entity. Following the passage of the Lex Julia during the reign of Julius Caesar as Consul and Dictator of the Roman Republic (49–44 BC), and their reaffirmation during the reign of Caesar Augustus as Princeps senatus and Imperator of the Roman Army (27 BC–14 AD), collegia required the approval of the Roman Senate or the Emperor in order to be authorized as legal bodies. Such associations could be civil or religious. The word collegium literally means "society", from collega (‘colleague’). They functioned as social clubs or religious collectives whose members worked towards their shared interests. These shared interests encompassed a wide range of the various aspects of urban life; includin