Sentencer
/ˈsentənsər/
Definition 1 of 1
Pro Tip 1/3Legal Authority
Used to denote a person with legal power in court, often implying gravity and finality in decisions. 
The sentencer will determine the consequences of his actions.
Pro Tip 2/3Not Synonymous
Though similar to 'judge', 'sentencer' specifically refers to the act of sentencing, not the broader role of a judge. 
While the judge oversees the trial, he acts as the sentencer at its conclusion.
Pro Tip 3/3Criminal Context
Primarily used in criminal law contexts where legally binding penalties are being decided. 
The sentencer's role is crucial after a guilty verdict is reached.