Definition

1. Noun:
   • The act of distributing things into classes or categories of the same type: The process of sorting or organizing items based on shared characteristics.
   • The basic cognitive process of arranging into classes or categories: A fundamental mental operation of grouping objects, ideas, or information based on perceived similarities.
   • A group of people or things arranged by class or category: The resulting system or set of categories created by the act of classifying.

Usage Examples

• Noun (Act/Process):
  • The categorisation of books in the library follows the Dewey Decimal System.
  • Data science involves the careful categorisation of information for analysis.
• Noun (Resulting System):
  • The proposed categorisation divides the animals into vertebrates and invertebrates.

Advanced Usage

• "Forced categorisation": The act of assigning items to categories that may not be a perfect fit, often due to system limitations.
  • The survey's forced categorisation of complex opinions into simple "agree" or "disagree" options was criticized.
• "Hierarchical categorisation": A system where categories are arranged in levels of specificity (e.g., kingdom, phylum, class).
  • Biological taxonomy is a classic example of hierarchical categorisation.

Variants and Related Words

• Categorization (noun): The American English spelling of "categorisation".
• Categorise/Categorize (verb): To place in a category; to classify.
  • Please categorise these documents by date.
• Category (noun): A class or division of people or things regarded as having shared characteristics.
  • The nominees fall into several different categories.

Synonyms

• Classification: The systematic arrangement of things in categories.
• Sorting: The process of separating items into different groups.
• Taxonomy: The science or practice of classification, often used in biology.

Related Phrases

• To defy categorisation: To be difficult or impossible to classify neatly.
  • Her unique artistic style defies easy categorisation.
• Broad/narrow categorisation: Refers to the level of specificity in the classification system.
  • A broad categorisation might use only "plant" and "animal," while a narrow one would use species names.

Noun

1. the act of distributing things into classes or categories of the same type
2. the basic cognitive process of arranging into classes or categories
3. a group of people or things arranged by class or category