WordWeb Online

1. Expel from a community or group
   - ban, ostracize, ostracise [Brit], shun, cast out, blackball
    
2. Expel, as if by official decree
   "he was banished from his own country";
   - relegate, bar
    
3. Drive away
   "banish bad thoughts"; "banish gloom"

Derived forms: banished, banishes, banishing

Type of: chase away, dispel, drive away, drive off, drive out, expel, kick out [informal], run off, throw out, turn back

Encyclopedia: Banish, Iran