What does "postbaccalaureate" mean?

Subsequent and in addition to the baccalaureate, or bachelor's, degree

What is a synonym for "postbaccalaureate"?

Common synonyms include: postgraduate.

adj

adj ·Rare ·Advanced level

Adjective

1
Subsequent and in addition to the baccalaureate, or bachelor's, degree not-comparable
"She graduated from Wellesley and received a certificate in postbaccalaureate premedical studies from Georgetown."

"She graduated from Wellesley and received a certificate in postbaccalaureate premedical studies from Georgetown."

From post- + baccalaureate.