CATEGORISATION
categorization, categorisation, classification, compartmentalization, compartmentalisation, assortment
(noun) the act of distributing things into classes or categories of the same type
classification, categorization, categorisation, sorting
(noun) the basic cognitive process of arranging into classes or categories
classification, categorization, categorisation
(noun) a group of people or things arranged by class or category
Source: WordNet® 3.1
Etymology
Noun
categorisation (plural categorisations)
(British spelling) Alternative form of categorization
Source: Wiktionary