Making" in their 1969 book Teaching as a Subversive Activity. In this chapter, they described why they preferred the term "meaning making" to any other metaphors for teaching and learning:

By the end of the 1970s, the term "meaning-making" was used with increasing frequency. The term came to be used often in constructivist learning theory which posits that knowledge is something that is actively created by people as they experience new things and integrate new information