Rejoicing in Mercy
Some interpreters mention that seeing oneself merciful and joyful in a dream may indicate that they will be granted the memorization of the Holy Quran. They cite a Quranic verse that encourages rejoicing in God's grace and mercy, interpreting mercy in this context as the Quran.
Per Ibn Sirin's Muntakhab al-Kalam fi Tafsir al-Ahlam
Note: These are traditional scholarly interpretations (ijtihad) drawn from a specific classical source — not a binding religious ruling, fortune-telling, or a prediction of the future.