An inaugural lecture is an inaugural speech
The inaugural lecture comes from the Latin oratio and is a public speech with which a newly appointed professor officially starts the function. In principle, the inaugural lecture is attended by all the professors of the faculty and often has the necessary ceromonieel. It is customary that the text of the inaugural lecture appears in a booklet and the subject will usually relate to the future of the profession, and the role of the professor in this. In practice, this inaugural speech is often held after months of active service in this position.