What is another word for "class"?

Roget's Thesaurus (1911) lists these synonyms for "class": abecedarian, abecedary, academic, academy, admission, admit, alma, alphabetarian, alumnus, amateur, ambo, amphitheater, and, another, apostle, apprentice, art, articled, auditor, auditorium, bear, beginner, boarding, book, box, build, cast, catechumen, cathedra, chair, chalk, cheese, chela, clerk, college, collegiate, combination, component, compose, composed.