A theory or system of social reform which contemplates a complete reconstruction of society, with a more just and equitable distribution of property and labor. In popular usage, the term is often employed to indicate any lawless, revolutionary social scheme. See Communism, Fourierism, Saint- Simonianism, forms of socialism.
- Any of various theories or systems of social organization in which the means of producing and distributing goods is owned collectively or by a centralized government that often plans and controls the economy.
- The stage in Marxist-Leninist theory intermediate between capitalism and communism, in which collective ownership of the economy under the dictatorship of the proletariat has not yet been successfully achieved.