…The dream in which you are taking a seminar shows the tendency to know more and learn new things. If you were the one who was leading the seminar, then such dream shows your desire to teach or help others….
Dream dictionary: Seminar dream meanings
Dreaming that you see yourself in a seminar is usually a warning about lies and betrayals that will soon arise and that will come from people you didnt expect to hurt you, usually your own relatives or close friends.
Meet or enter in one: you are a religious person attached to the strictest laws of morality, even when you appear to be liberal. Good omen.