indoctrination

/ɪnˌdɑktrəˈneɪʃən/
noun
  1. The process of teaching someone to accept a set of beliefs uncritically, especially political or religious ones, often in a forceful or one-sided way.
    • The documentary exposed the indoctrination techniques used by the extremist group.
    • The school's strict indoctrination left little room for students to question the official history.
    • Many people fear that social media can be a tool for political indoctrination.