Noun

• S: (n) sort, sorting (an operation that segregates items into groups according to a specified criterion) "the bottleneck in mail delivery is the process of sorting"
• S: (n) classification, categorization, categorisation, sorting (the basic cognitive process of arranging into classes or categories)
• direct hyponym / full hyponym
• direct hypernym / inherited hypernym / sister term
• derivationally related form
• W: (v) classify [Related to: classification] (assign to a class or kind) "How should algae be classified?"; "People argue about how to relegate certain mushrooms"
• W: (v) classify [Related to: classification] (arrange or order by classes or categories) "How would you classify these pottery shards--are they prehistoric?"
• W: (v) categorize [Related to: categorization] (place into or assign to a category) "Children learn early on to categorize"
• S: (n) sorting (grouping by class or kind or size)

Verb

• S: (v) screen, screen out, sieve, sort (examine in order to test suitability) "screen these samples"; "screen the job applicants"
• S: (v) classify, class, sort, assort, sort out, separate (arrange or order by classes or categories) "How would you classify these pottery shards--are they prehistoric?"