ˈkɑmənˌwɛlθ ˈkɔmənˌwɛlθ ˈkɒmənˌwelθ ˈkɒmənˌwɛlθ dɪˈmɒkɹəsi dɪˈmɑkɹəsi the doctrine that the numerical majority of an organized group can make decisions binding on the whole group the political orientation of those who favor government by the people or by their elected representatives a political system in which the supreme power lies in a body of citizens who can elect people to represent them