societas
Societas is a term of Latin origin that denotes an association or fellowship of people bound by common purpose. The Latin root socius means ally or companion, and societas encompasses concepts of partnership, society, and corporate or civic organization.
In ancient Rome, societas referred to partnerships and coalitions formed for mutual benefit, including business ventures
In modern legal and organizational language, forms derived from societas appear in certain civil law contexts.
Outside legal or ceremonial usage, the term chiefly survives through translations and references to social science