categorisation

Noun (3)

1. a group of people or things arranged by class or categorySynonyms: classificationcategorization
2. the basic cognitive process of arranging into classes or categoriesSynonyms: classificationcategorizationsorting
3. the act of distributing things into classes or categories of the same typeSynonyms: categorizationclassificationcompartmentalizationcompartmentalisationassortment