massed — a body of coherent matter, usually of indefinite shape and often of considerable size: a mass of dough.
gathered — Simple past tense and past participle of gather.
graded — Simple past tense and past participle of grade.
organised — to form as or into a whole consisting of interdependent or coordinated parts, especially for united action: to organize a committee.
forgathered — Simple past tense and past participle of forgather.
organized — affiliated in an organization, especially a union: organized dockworkers.
catalogued — a list or record, as of items for sale or courses at a university, systematically arranged and often including descriptive material: a stamp catalog.
collective — Collective actions, situations, or feelings involve or are shared by every member of a group of people.
