The social group that one belongs to.
In cladistics, the monophyletic group that includes all taxa of interest to the current study.
To form an ingroup.
A group of people or other legal entities with an explicit purpose and written rules.
A major league club and all its farm teams.
The quality of being organized.
A group of people consciously cooperating.
The way in which something is organized, such as a book or an article.