Appeal - (noun and verb)
In legal terminology, it means a formal request for a court of law to change a previous decision. It can be used as a verb (they appealed the decision) or as a noun (they lodged an appeal with the court).
Source: Adapted from Cambridge English Dictionary
Example of Use: (1) The employers were not happy with the decision and decided to appeal the decision. (2) The employees won their appeal and were awarded substantial damages by the court.