1. relating to or used for the arrangement of things into classes or categories
Usage: formal; often used in academic or technical contexts

Examples

• The library uses a classificatory system to organize books by subject.
• Taxonomists employ classificatory methods to group organisms by shared characteristics.
• The study examined classificatory schemes used in different educational systems.
• A classificatory framework helps researchers organize complex data.
• The museum's classificatory approach divides artifacts into historical periods.