Other forms: reorganized; reorganizing; reorganizes
When you change the way something is structured or arranged, you reorganize it. If you can never find two matching socks when you get dressed in the morning, you might want to reorganize your sock drawer.
You might reorganize your stamp collection, sorting them by color instead of country. And a government may reorganize a country's entire economy, focusing on tourism instead of exporting oil, for example. Reorganize adds the "again" prefix re- to organize, a verb rooted in the Latin organum, "instrument or tool." Organize is related to organ, and its very earliest meaning was "arrange into a living being."