Noun

• S: (n) categorization, categorisation, classification, compartmentalization, compartmentalisation, assortment (the act of distributing things into classes or categories of the same type)
• S: (n) classification, categorization, categorisation (a group of people or things arranged by class or category)
• S: (n) classification, categorization, categorisation, sorting (the basic cognitive process of arranging into classes or categories)
• S: (n) classification (restriction imposed by the government on documents or weapons that are available only to certain authorized people)