Definition of classificatory in US English:

classificatory

adjective

  • Relating to or involving arrangement of a group of people or things in classes or categories.

    ‘complex classificatory schemas’
    ‘he adopted the classificatory hierarchy as the model of organization’

Pronunciation

classificatory

/ˈklæsəfəkəˌtɔri//ˈklasəfəkəˌtôrē/