Source: The Great Interpretation of Dreams (Ibn Sirin)
A sermon in a dream indicates exaltation, prestige, and a word that is heard. Listening to it indicates admonition and guidance.
Source: Perfuming Humanity in the Expression of Dreams (Al-Nabulsi)
A sermon indicates enjoining good and forbidding evil. Whoever sees himself giving a sermon, his status will rise.
Source: Signs in the Science of Expressions (Ibn Shaheen)
A sermon is interpreted as goodness and position. Whoever sees himself giving a sermon will gain a position.