agreement, arrangement -- (the thing arranged or agreed to; "they made arrangements to meet in Chicago")
arrangement -- (an orderly grouping (of things or persons) considered as a unit; the result of arranging; "a flower arrangement")
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")
placement, arrangement -- (the spatial property of the way in which something is placed; "the arrangement of the furniture"; "the placement of the chairs")
musical arrangement, arrangement -- (a piece of music that has been adapted for performance by a particular set of voices or instruments)
arrangement, arranging, transcription -- (the act of arranging and adapting a piece of music)