Working on my paper on Berkeley, I have come up with the following list of different meanings with which the word "idealism" has been used: • A focus on ideals as opposed to pragmatic interests. It is used this way in common speech, but also sometimes by political theorists: noble idealism. (Harrington) • The belief that in history, the ideas of agents are the true driving force: personal historical idealism. (Weber, Protestant Ethic ) • The belief that in history, ideas writ-large are the true driving force: impersonal historical idealism. (Hegel: the cunning of reason) • The notion that the world is entirely made up of thinking / experiencing entities: pan-psychism. (Peirce, Whitehead) • The idea that the structure of our reality is determined by our (human) minds: transcendental idealism. (Kant) • The notion that the physical world is, in some sense, an illusion. (Vasubandhu: Yogacara) • The belief that what we think we know about the physical world is really only...