Noun

(uncountable) The quality of being organized.

* {{quote-magazine, date=2013-08-03, volume=408, issue=8847, magazine=(The Economist)

, title= The machine of a new soul , passage=The yawning gap in neuroscientists’ understanding of their topic is in the intermediate scale of the brain’s anatomy. Science has a passable knowledge of how individual nerve cells, known as neurons, work. It also knows which visible lobes and ganglia of the brain do what. But how the neurons are organised in these lobes and ganglia remains obscure. Yet this is the level of organisation that does the actual thinking—and is, presumably, the seat of consciousness.}}

(uncountable) The way in which something is organized, such as a book or an article.

(countable) A group of people or other legal entities with an explicit purpose and written rules.

(countable) A group of people consciously cooperating.

(baseball) A major league club and all its farm teams.

Noun

(headquarters)

The military installation from which troops are commanded and orders are issued; the military unit consisting of a commander and his support staff.

The center of an organization's operations or administration.

* {{quote-book, year=2006, author=

, title=Internal Combustion , chapter=1 citation , passage=As though on an incendiary rampage, the fires systematically devoured the contents of Edison's headquarters and facilities.}}

A place of concentrated activity or influence.