Antonyms of noun exclusion
1 of 4 senses of exclusion                                              
Sense 1
exclusion -- (the state of being excluded)
       Antonym of inclusion (Sense 1)
      => inclusion -- (the state of being included)
Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun exclusion
4 senses of exclusion                                                   
Sense 1
exclusion -- (the state of being excluded)
       => situation, state of affairs -- (the general state of things; the combination of circumstances at a given time; "the present international situation is dangerous"; "wondered how such a state of affairs had come about"; "eternal truths will be neither true nor eternal unless they have fresh meaning for every new social situation"- Franklin D.Roosevelt)
Sense 2
excommunication, exclusion, censure -- (the state of being excommunicated)
       => rejection -- (the state of being rejected)
Sense 3
exception, exclusion, elision -- (a deliberate act of omission; "with the exception of the children, everyone was told the news")
       => omission -- (neglecting to do something; leaving out or passing over something)
Sense 4
ejection, exclusion, expulsion, riddance -- (the act of forcing out someone or something; "the ejection of troublemakers by the police"; "the child's expulsion from school")
       => banishment, proscription -- (rejection by means of an act of banishing or proscribing someone)

