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