change

verb:to make or become different
- She decided to change her hairstyle completely.
noun:the act or process of becoming different
- The change in his attitude was remarkable.
noun:money returned when the amount paid is more than the cost
- I paid with a twenty-dollar bill and got five dollars in change.
verb:to substitute or replace something
- You should change the batteries in the smoke detector.
verb:to put on different clothes
- I need to change into something more formal for the dinner.
noun:a different or fresh set of things, especially clothes
- I packed a change of clothes for the weekend trip.