CLASSIFICATION

categorization, categorisation, classification, compartmentalization, compartmentalisation, assortment

(noun) the act of distributing things into classes or categories of the same type

classification

(noun) restriction imposed by the government on documents or weapons that are available only to certain authorized people

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

classification (countable and uncountable, plural classifications)

The act of forming into a class or classes; a distribution into groups, as classes, orders, families, etc, according to some common relations or attributes.

Source: Wiktionary

Clas`si*fi*ca"tion, n. Etym: [Cf. F. classification.]

Definition: The act of forming into a class or classes; a distibution into groups, as classes, orders, families, etc., according to some common relations or affinities. Artificial classification. (Science) See under Artifitial.

Source: Webster’s Unabridged Dictionary 1913 Edition