1. to arrange or organize things into groups or categories based on shared characteristics
Usage: British spelling; American English uses 'categorize'; transitive verb

Examples

• The librarian will categorise the new books by subject and author.
• We need to categorise these expenses into different budget categories.
• Students learned to categorise animals based on their physical features.
• The website allows users to categorise their photos into albums.
• Doctors categorise patients by age and medical history for research purposes.
• It's difficult to categorise this film because it blends comedy and drama.