organization, organisation -- (a group of people who work together)
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")
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")
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")
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")
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")
constitution, establishment, formation, organization, organisation -- (the act of forming or establishing something; "the constitution of a PTA group last year"; "it was the establishment of his reputation"; "he still remembers the organization of the club")