Organization (glossary)
(1) A person or a group of people and facilities with an arrangement of responsibilities, authorities and relationship. (ISO/IEC 2008)
(2) company, corporation, government, not-for-profit or other legally constituted body, including associations, clubs, partnerships, government agencies, publicly listed companies, private companies and sole traders, that has its own function(s) and administration. (ISO/IEC 38500:2008, 1.6.10)
(3) people and processes assembled to produce a specific output, product, or service. (IEEE 1175.2-2006, 3.9)
(4) the organizational level above the project. (INCOSE, 2010; ISO/IEC 2008)
(5) Meaning (1) applied to businesses, projects or teams.
Source
(1) ISO/IEC. 2008. Systems and Software Engineering - System Life Cycle Processes. Geneva, Switzerland: International Organization for Standardization (ISO)/International Electronical Commission (IEC), ISO/IEC 15288:2008 (E).
(2)
(3)
(4) INCOSE. 2010. INCOSE Systems Engineering Handbook, version 3.2. San Diego, CA, USA: International Council on Systems Engineering (INCOSE), INCOSE-TP-2003-002-03.2.
(5) None cited.
Discussion
Discussion as to why this is the "consensus" definition for the SEBoK.