class

A body of students who graduate together.

“the class of '97”

People having the same social, economic, or educational status.

“the working class”

“an emerging professional class”

Education imparted in a series of lessons or meetings.

“flirting is not unknown in college classes”

A body of students who are taught together.

“early morning classes are always sleepy”

A collection of things sharing a common attribute.

“there are two classes of detergents”

A league ranked by quality.

“he played baseball in class D for two years”

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

Elegance in dress or behavior.

“she has a lot of class”

Arrange or order by classes or categories.

“How would you classify these pottery shards--are they prehistoric?”