Source: The Great Interpretation of Dreams (Ibn Sirin)
I'tikaf in a dream indicates adherence to obedience and devotion to God. It indicates righteousness in religion.
Source: Perfuming Humanity in the Expression of Dreams (Al-Nabulsi)
I'tikaf indicates salvation from worries and security from fear.
Source: Signs in the Science of Expressions (Ibn Shaheen)
I'tikaf is interpreted as goodness and blessing. Whoever sees himself in i'tikaf, his affairs will be rectified.