LexicalGravity is tied to Fredric Jameson because his notion of cognitive mapping shows how a subject, or a term, gains orientation only by locating its position within a total system too vast to be perceived directly. In Socioplastics, an operator gains gravity when it attracts other terms, stabilises nearby meanings and begins to organise a semantic field around itself. LexicalGravity is not simply popularity or repetition; it is the weight produced when a term becomes structurally necessary to map the whole. The operator explains why some concepts become anchors, while others remain peripheral. Its internal companion is SemanticHardening, because lexical force requires repeated use, relational density and conceptual endurance. This genealogy draws on Jameson's Postmodernism, or, The Cultural Logic of Late Capitalism (1991), and is developed through Lloveras' Socioplastics Project Index (2026), https://antolloveras.blogspot.com/p/socioplastics-project-index.html.