cooption

noun
  1. the act of adopting or absorbing an idea, person, or group into an existing system, often to neutralize opposition or gain legitimacy
  2. Usage: often used in political and social contexts; frequently implies a loss of independence or authenticity
  3. the selection or appointment of a member to a group or organization by the existing members rather than by election or external appointment
  4. Usage: formal usage, especially in governance and institutional contexts

Examples