1. To make amends for; to correct; to set right: When Jane received her monthly payment, she noticed a big mistake to her disfavor, so she complained and it was redressed immediately.

Sally wanted to have a horse and wanted her parents to redress this wish, but since it would cost too much money, Sally would have to wait until she earned lots of money herself.
2. To put right; to make reparations for: The customer complained about not being helped at all, so her complaint was redressed quickly.
3. To relieve from: The poverty-stricken people were redressed by the government with food and clothing.