Word family noun organization ≠ disorganization reorganization organizer adjective organizational organized ≠ disorganized verb organize ≠ disorganize reorganize
From Longman Dictionary of Contemporary Englishorganizeror‧gan‧iz‧er (also organiser British English) /ˈɔːɡənaɪzə $ ˈɔːrɡənaɪzər/ noun [countable] someone who makes the arrangements for something that is planned to happen The organizers had expected about 50,000 people to attend the concert.Examples from the Corpus
organizer• But instead he returned to Hue as an organizer for an underground movement.• His father was an organizer of his sheet-metal workers' local, and Bridgeport was always a union neighborhood.• In 1952 he was elected assistant divisional organizer for division no. 25, retiring in June 1961.• Horne was fair-minded, generous, companionable, an excellent organizer, and able to handle men.• He had proved himself an excellent organizer and effective leader.• Mary Ann was vivacious, pretty, outgoing, and a good organizer.From Longman Business Dictionaryorganizeror‧gan‧i‧zer /ˈɔːgənaɪzə ˈɔːrgənaɪzər/ (also organiser British English) noun [countable]1someone whose work involves planning and arranging events, activities, work etcorganizers of training coursesWhat information would aconference organiser need?2a small book or computer in which important dates, telephone numbers etc can be writtenOFFICEa maker ofelectronic personal organizers 