phrontistery
/frɒnˈtɪstəri/
noun
- A place for thinking, studying, or contemplation; a study or school.
- She turned the attic into a phrontistery where she could write and reflect.
- The old professor spent most of his days in his quiet phrontistery, surrounded by books.
- The library was his favorite phrontistery, a sanctuary for deep thought.