A stay of execution
Definition 1 of 2
Pro Tip 1/3Temporary Relief
The phrase is often used when a death sentence is delayed, offering temporary relief to the concerned parties. 
The family experienced a mix of emotions when they heard of the stay of execution.
Pro Tip 2/3Legal Procedure
This term is typically used in a legal context and involves formal legal procedures or appeals. 
After the appeal, the judge granted a stay of execution pending further investigation.
Pro Tip 3/3Not a Pardon
A stay of execution is a delay, not a cancellation of the sentence. The punishment may still occur later. 
Despite the stay of execution, the convict's future remained uncertain.