1. (

• categorization ,
• categorisation ,
• classification ,
• compartmentalization ,
• compartmentalisation ,
• assortment

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

2. (

• classification ,
• categorization ,
• categorisation

) a group of people or things arranged by class or category ;

3. (

• classification ,
• categorization ,
• categorisation ,
• sorting

) the basic cognitive process of arranging into classes or categories ;

4. (

• classification ,

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