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
• S: (n) coordination (being of coordinate importance, rank, or degree)
• S: (n) appraisal, assessment (the classification of someone or something with respect to its worth)
• S: (n) attribution, ascription (assigning to a cause or source) "the attribution of lighting to an expression of God's wrath"; "he questioned the attribution of the painting to Picasso"
• S: (n) attribution, ascription (assigning some quality or character to a person or thing) "the attribution of language to birds"; "the ascription to me of honors I had not earned"
• S: (n) cross-classification, cross-division (classification according to more than one attribute at the same time) "the cross-classification of cases was done by age and sex"
• S: (n) subsumption (incorporating something under a more general category)
• direct hypernym / inherited hypernym / sister term
• derivationally related form
• 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?"