WordWeb Online

1. The state of being excluded
    
2. The state of being excommunicated
   - excommunication, censure
    
3. A deliberate act of omission
   "with the exclusion of the children, everyone was told the news";
   - exception, elision
    
4. The act of forcing out someone or something
   "the exclusion of troublemakers by the police";
   - ejection, expulsion, riddance

Derived forms: exclusions

Type of: banishment, omission, proscription, rejection, situation, state of affairs

Antonym: inclusion

Encyclopedia: Exclusion, Right of