Definition of "Organisation" :

noun: the act of forming or establishing something

noun: the activity or result of distributing or disposing persons or things properly or methodically

noun: the act of organizing a business or an activity related to a business

noun: an ordered manner; orderliness by virtue of being methodical and well organized

noun: an organized structure for arranging or classifying

noun: a group of people who work together

noun: the persons (or committees or departments etc.) who make up a body for the purpose of administering something