Judicial Review
The power of courts to examine the constitutionality or legality of legislative and executive action.
In Simple Terms
Courts get to check whether a law or government decision actually follows the Constitution.
Detailed Legal Meaning
Judicial review is the power of constitutional courts to examine and, where necessary, invalidate legislation or executive action found to be unconstitutional, ultra vires, or otherwise illegal — regarded as part of the basic structure of the Constitution.