We could say that Polonius is pontificate in the first sense of the word. He drawls on and on and on and rarely gets to the point, However when he does get to the point he makes it seem undeniably true. His way of speaking is also very pompous and conceited.
10 Commonly Misunderstood Words in the English Language. This would be a good infographic for a junior high/high school English class. For any subject, making an inforgraphic for study guides or presentations would be a creative way for students to.