Systematic Theology is sometimes accused of (over)categorizing a reality that is often messy and conflicting or even of being 'speculative'- that is, disconnected from reality. In this paper, I demonstrate how systematic theologians might theologize inductively with the use of ethnographic approaches and methodologies. I will provide some examples of doing so from my ethnographic fieldwork on religious language and religious experience, collected within a liberal Christian community in the (post)secular context of the Netherlands. Secondly, the paper discusses different (epistemological) presuppositions that can be useful when using an inductive approach to systematic theology. The paper concludes by demonstrating how an approach to systematic theological research that is both theoretically engaged and empirically informed might contribute to interdisciplinary and inter-methodological discussions.