Answer:
i·de·ol·o·gy
noun /ˌīdēˈäləjē/  /ˌidē-/ 
ideologies, plural

  • A system of ideas and ideals, esp. one that forms the basis of economic or political theory and policy
    • - the ideology of republicanism

  • The ideas and manner of thinking characteristic of a group, social class, or individual
    • - a critique of bourgeois ideology

  • Visionary speculation, esp. of an unrealistic or idealistic nature

  • The science of ideas; the study of their origin and nature
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