class

(noun) a collection of things sharing a common attribute. Synonyms: category, family. Examples: "There are two classes of detergents."

(noun) a body of students who are taught together. Synonyms: form, grade, course. Examples: "Early morning classes are always sleepy."

(noun) people having the same social, economic, or educational status. Synonyms: stratum, social class, socio-economic class. Examples: "The working class." "An emerging professional class."

(noun) education imparted in a series of lessons or meetings. Synonyms: course, course of study, course of instruction. Examples: "He took a course in basket weaving." "Flirting is not unknown in college classes."

(noun) a league ranked by quality. Synonyms: division. Examples: "He played baseball in class d for two years." "Princeton is in the ncaa division 1-aa."

(noun) a body of students who graduate together. Synonyms: year. Examples: "The class of '97." "She was in my year at hoehandle high."

(noun) (biology) a taxonomic group containing one or more orders.

(noun) elegance in dress or behavior. Examples: "She has a lot of class."

(verb) arrange or order by classes or categories. Synonyms: classify, sort, assort, sort out, separate. Examples: "How would you classify these pottery shards--are they prehistoric?."