| noun | a category of things distinguished by some common characteristic or quality “sculpture is a form of art” |
| noun | an approximate definition or example “she wore a sort of magenta dress” |
| noun | a person of a particular character or nature “what sort of person is he?” |
| noun | an operation that segregates items into groups according to a specified criterion “the bottleneck in mail delivery is the process of sorting” |
| verb | examine in order to test suitability “screen these samples” |
| verb | arrange or order by classes or categories “How would you classify these pottery shards--are they prehistoric?” |
| sort | verb | arrange or order by classes or categories |
| screening | noun | testing objects or persons in order to identify those with particular characteristics |
| screener | noun | a guard at an airport who checks passengers or their luggage at a security checkpoint |
| sort | noun | an operation that segregates items into groups according to a specified criterion |
| classificatory | adjective | relating to or involving classification: |
| class | noun | a league ranked by quality |
| classification | noun | a group of people or things arranged by class or category |
| classifier | noun | a person who creates classifications |
| sorter | noun | a clerk who sorts things (as letters at the post office) |
| sorting | noun | an operation that segregates items into groups according to a specified criterion |
| assortment | noun | the act of distributing things into classes or categories of the same type |