class

1. A group, collection, category or set sharing characteristics or attributes.

   Often used to imply membership of a large class.

2. A social grouping, based on job, wealth, etc. In Britain, society is commonly split into three main classes; upper class, middle class and working class.
3. The division of society into classes.

   Jane Austen's works deal with class in 18th-century England.

4. Admirable behavior; elegance.

   Apologizing for losing your temper, even though you were badly provoked, showed real class.

5. A group of students in a regularly scheduled meeting with a teacher.

   The class was noisy, but the teacher was able to get their attention with a story.

6. A series of lessons covering a single subject.

   I took the cooking class for enjoyment, but I also learned a lot.

7. A group of students who commenced or completed their education during a particular year. A school class.

   The class of 1982 was particularly noteworthy.

8. A category of seats in an airplane, train or other means of mass transportation.

   I used to fly business class, but now my company can only afford economy.

9. A rank in the classification of organisms, below phylum and above order; a taxon of that rank.

   Magnolias belong to the class Magnoliopsida.

10. Best of its kind.

    It is the class of Italian bottled waters.

11. A grouping of data values in an interval, often used for computation of a frequency distribution.
12. A collection of sets definable by a shared property.

    Every set is a class, but classes are not generally sets. A class that is not a set is called a proper class.

13. A group of people subject to be conscripted in the same military draft, or more narrowly those persons actually conscripted in a particular draft.
14. A set of objects having the same behavior (but typically differing in state), or a template defining such a set.

    an abstract base class

15. One of the sections into which a Methodist church or congregation is divided, supervised by a class leader.

1. To assign to a class; to classify.

   I would class this with most of the other mediocre works of the period.

2. To be grouped or classed.
3. To divide into classes, as students; to form into, or place in, a class or classes.

adjective

Great; fabulous