Source: The Great Interpretation of Dreams (Ibn Sirin)
Success in a dream indicates achieving one's goal and fulfilling wishes. It indicates triumph and victory.
Source: Perfuming Humanity in the Expression of Dreams (Al-Nabulsi)
Success indicates relief after hardship and ease after difficulty.
Source: Signs in the Science of Expressions (Ibn Shaheen)
Success is interpreted as goodness and joy. Whoever sees himself succeeding will attain goodness and joy.