class in WordNet English dictionary

1. arrange or order by classes or categories
   "How would you classify these pottery shards--are they prehistoric?"
   classify  class  sort  assort  sort out  separate 
   

1. a collection of things sharing a common attribute
   "there are two classes of detergents"
   class  category  family 
   
2. education imparted in a series of lessons or meetings
   "he took a course in basket weaving"; "flirting is not unknown in college classes"
   course  course of study  course of instruction  class 
   
3. elegance in dress or behavior
   "she has a lot of class"
   class 
   
4. people having the same social, economic, or educational status
   "the working class"; "an emerging professional class"
   class  stratum  social class  socio-economic class 
   
5. (biology) a taxonomic group containing one or more orders
   class 
   
6. a body of students who are taught together
   "early morning classes are always sleepy"
   class  form  grade  course 
   
7. a body of students who graduate together
   "the class of '97"; "she was in my year at Hoehandle High"
   class  year 
   
8. a league ranked by quality
   "he played baseball in class D for two years"; "Princeton is in the NCAA Division 1-AA"
   class  division