Cambridge Advanced Learner's Dictionary
Government:the system used for controlling a country, city, or group of people
Legitimacy: the quality of being legal or acceptable
Individual: a single person or thing, especially when compared to the group or set to which they belong
Merriam-Webster's Online Dictionary, 11th Edition
Popular Sovereignty: a doctrine in political theory that government is created by and subject to the will of the people
Encarta world English Dictionary, North American Edition
Right: a justified claim or entitlement, or the freedom to do something