Historically light has been a catalyst for social life to emerge. In recent years of lighting research the social effect of light has been underexposed. The environments we occupy on a daily basis are used for a wider variety of activities. Consequently, lighting conditions need to become sensitive to adapt to the variety of activities being performed. We argue that the effect of light on the social relations between people needs to be considered in order to make adaptive lighting environments viable. To design a socially adaptive lighting environment an approach needs to be used that is iterative, experiential and involves multiple users in an actual context. The design process is described in three stages (Interactive Sketching, a Design ...