Context: The Polish term "szlachta" designated the formalized, hereditary noble class of Polish-Lithuanian Commonwealth. In official Latin documents of the old Commonwealth, hereditary szlachta are referred to as "nobilitas" and are indeed the equivalent in legal status of the English nobility.

Question: What term designated the noble class of polish Lithuania common wealth?
Answer: szlachta

Question: What are two adjectives that best describe the szlachta?
Answer: formalized, hereditary

Question: Who is referred to as nobilitas?
Answer: hereditary szlachta

Question: What is the legal status of nobilitas?
Answer: equivalent in legal status of the English nobility