definition of
organizer

[1] #1 organizer n. [organiser, arranger] a person who brings order and organization to an enterprise; "she was the organizer of the meeting". wn

[2] #2 organizer n. [organiser, labor organizer] someone who enlists workers to join a union. wn

[3] #3 organizer n. [personal digital assistant, PDA, personal organizer, personal organiser, organiser] a lightweight consumer electronic device that looks like a hand-held computer but instead performs specific tasks; can serve as a diary or a personal database or a telephone or an alarm clock etc.. wn