There are multiple definitions - click on the translation that matches your context.

Gerichtsbarkeit

Substantiv

partial

judiciary

noun

Comparative law notes

Germany

If the context suggests a reference to the judicial system, then this word choice is the best.

Definitions of judiciary

English

the branch of a country's government that is responsible for its legal system; all of a jurisdiction's judges and its courts of law, collectively

In designing our federal system, the founders sought to create an independent judiciary.