The noun organization has 7 senses (first 7 from tagged texts)
1. (697) organization, organisation -- (a group of people who work together)
2. (48) arrangement, organization, organisation, system -- (an organized structure for arranging or classifying; "he changed the arrangement of the topics"; "the facts were familiar but it was in the organization of them that he was original"; "he tried to understand their system of classification")
3. (39) administration, governance, governing body, establishment, brass, organization, organisation -- (the persons (or committees or departments etc.) who make up a body for the purpose of administering something; "he claims that the present administration is corrupt"; "the governance of an association is responsible to its members"; "he quickly became recognized as a member of the establishment")
4. (7) constitution, establishment, formation, organization, organisation -- (the act of forming something; "the constitution of a PTA group last year"; "it was the establishment of his reputation"; "he still remembers the organization of the club")
5. (6) organization, organisation -- (the act of organizing a business or an activity related to a business; "he was brought in to supervise the organization of a new department")
6. (4) organization, organisation -- (the activity or result of distributing or disposing persons or things properly or methodically; "his organization of the work force was very efficient")
7. (3) organization, organisation, system -- (an ordered manner; orderliness by virtue of being methodical and well organized; "his compulsive organization was not an endearing quality"; "we can't do it unless we establish some system around here")