 ‘Grounding’ is a recently-introduced primitive relation or notion of metaphysical dependence, taken to be operative in any context where such dependence is at issue (either as holding between facts or propositions pertaining to some goings-on, or between worldly goings-on themselves). Proponents of Grounding typically take determination to be a paradigm case of such dependence, with determinables being Grounded in determinates. For example, Correia suggests that “the determinate features of a thing” are the Grounds of “the determinable features of a thing” (2005: 49–50); Schaffer (2016b) takes a case of determination as the primary exemplar of his ‘structural equations’ approach to Grounding; and Rosen (2010) endorses the following principle: