Political philosophy can be defined as philosophical reflection on how best to arrange our collective life - our political institutions and our social practices, such as our economic system and our pattern of family life. (Sometimes a distinction is made between political and social philosophy, but I shall use ‘political philosophy’ in a broad sense to include both.) Political philosophers seek to establish basic principles that will, for instance, justify a particular form of state, show that individuals have certain inalienable rights, or tell us how a society’s material resources should be shared among its members. This usually involves analysing and interpreting ideas like freedom, justice, authority and democracy and then applying them in a critical way to the social and political institutions that currently exist. Some political philosophers have tried primarily to justify the prevailing arrangements of their society; others have painted pictures of an ideal state or an ideal social world that is very different from anything we have so far experienced...
*From Routledge Encyclopedia of Philosophy
Overview of Political Philosophy from Internet Encyclopedia of Philosophy: Political Philosophy