adjective An adjective describes or modifies a noun or pronoun. In this case, 'exclusionary' describes something that is related to exclusion or the act of excluding.
Exclusionary rule - a legal principle that prohibits evidence obtained in violation of a defendant's constitutional rights from being used in court
Exclusionary discipline - disciplinary actions such as suspensions or expulsions that remove a student from the regular school environment
Exclusionary practices - policies or actions that intentionally or unintentionally exclude certain individuals or groups from opportunities or resources
Exclusionary pricing - setting prices in a way that excludes certain groups of consumers from accessing a product or service