Ideology/ˌaɪdiˈɑːlədʒi/ Definition 1 of 3Pro Tip 1/3Political Leanings Ideology often refers to political beliefs, shaping governance and policies. Her ideology is reflected in her vote for social welfare programs. Pro Tip 2/3Foundation for Action An ideology can motivate groups to take action or advocate for change. The party's ideology prompted its campaign for tax reform. Pro Tip 3/3Economic Systems Ideology often underpins economic systems like capitalism or socialism. Their ideology supports the free-market principles of capitalism.