Professedly; by profession. / As an expert; with the competence one would expect from a professional; in the capacity of an expert. / Expressly.

The most senior rank for an academic at a university or similar institution, informally also known as "full professor."

The title for someone who holds the professor job.

plural of professor

In a professorial manner.

Of, relating to, or characteristic of a professor or professors, or of a professorship or professorships.

(education) The office of a professor.

plural of professorship

plural of extraordinary professor

In Germany, professor without chair, often in a side-area, or being subordinated to a professor with chair.