organisation (Noun) — The persons (or committees or departments etc.) who make up a body for the purpose of administering something. ex. "he claims that the present organisation is corrupt"
organisation (Noun) — A group of people (or businesses, etc.) who work together for an explicit purpose, with organized rules and structure.
organisation (Noun) — An organized structure for arranging or classifying. ex. "he changed the organisation of the topics"
organisation (Noun) — An ordered manner; orderliness by virtue of being methodical and well organized. ex. "his compulsive organisation was not an endearing quality"
organisation (Noun) — The act of organizing a business or an activity related to a business. ex. "he was brought in to supervise the organisation of a new department"
organisation (Noun) — The activity or result of distributing or disposing persons or things properly or methodically. ex. "his organisation of the work force was very efficient"
organisation (Noun) — The act of forming or establishing something. ex. "the organisation of a PTA group last year"