coopt

v. t.
  1. To choose or elect as a colleague or fellow member of a group; as, The church members co-opted individuals from similar backgrounds to replenish the congregation.
  2. To assimilate (a smaller group) into a larger group.
  3. To persuade an opponent to join one's own side.
  4. To appoint summarily (with or without the appointee's consent).
  5. To appropriate (something rightly belonging to another) as one's own; to preempt; as, to co-opt someone's name.