WordNet (r) 3.0 (2006):

organisation
    n 1: 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" [syn: administration, governance,
         governing body, establishment, brass, organization,
         organisation]
    2: a group of people who work together [syn: organization,
       organisation]
    3: 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" [syn: arrangement, organization,
       organisation, system]
    4: 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" [syn: organization, organisation,
       system]
    5: 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" [syn: organization, organisation]
    6: the activity or result of distributing or disposing persons
       or things properly or methodically; "his organization of the
       work force was very efficient" [syn: organization,
       organisation]
    7: 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" [syn: constitution,
       establishment, formation, organization, organisation]