noun
also Brit organisation , pl -tions
[count] :a company, business, club, etc., that is formed for a particular purpose
[noncount] the act or process of putting the different parts of something in a certain order so that they can be found or used easily
the act or process of planning and arranging the different parts of an event or activity
[noncount] :the way in which the different parts of something (such as a company) are arranged
[noncount] :the quality of being arranged in a way that is sensible and useful