This thesis addresses the theme of acceptance of faith in a multicultural context. We intend to highlight the contributions of Karl Rahner’s theology for contemporary believing, and therefore we consider the conception of inculturation to be appropriate. The research then aims to highlight the essential elements to be taken into account when it comes to thinking faith and inculturation. We firstly clarify what constitutes the dialogue between faith and culture. Then we focus on the author’s understanding on such relation on the basis of his transcendentalanthropological method in theology and his understanding of revelation and faith. Consequently, the fundamental notions of his thinking are central. We refer to notions like the one of God as a mystery and his self-communication, the personal experience of the self and God, the intrinsic relationship between faith and life, the relationship between the existential and supernatural dimension of Revelation and faith, and the unity of love of man and God. Likewise, we note the different aspects related to faith, such as: reason, emotion and spiritual dimension. In this sense, the different cultures show that such dimensions are complementary and crucial to the unity of faith. Equally crucial is the truth that it is at the core of our culture that God is experienced and this is exactly where God reveals himself to us. Rahner, therefore, emphasizes the close relationship between faith and experience and says that mystagogy plays a vital role in the process of guiding the man to the unavailable mystery, based on the proper human experience.