An organization or organisation (Commonwealth English; see spelling differences) is an entity —such as a company, or corporation or an institution (formal organization), or an association —comprising one or more people and having a particular purpose.
An organization is a group of people who work together, like a neighborhood association, a charity, a union, or a corporation. You can use the word organization to refer to group or business, or to the act of forming or establishing something. It can also refer to a structure for classifying things or to a system of arrangement or order.
[countable] a group of people who form a business, club, etc. together in order to achieve a particular aim. She's the president of a large international organization. He works with local community organizations. The Mafia began as a secret terrorist organization. Sarah joined a student organization.
An organization is an official group of people, for example a political party, a business, a charity, or a club. Most of these specialized schools are provided by voluntary organizations. ...a report by the International Labour Organisation.
Noun 1. organisation - the persons who make up a body for the purpose of administering something; "he claims that the present administration is corrupt";...
the act or process of organizing, planning, or working to put something together:[uncountable] the organization of a committee to run the banquet. [uncountable] the state or manner of being organized. the structure of something:[uncountable] the organization of brain cells to perform a function.
Is it an organization or organisation? Both spellings are correct, but “organization” is typically used in American English, while “organisation” is more common in British English.