This paper develops the metaphysical and semantic foundations of Consistentism as a unified philosophical system. We proceed from epistemological conclusions established in the companion paper Necessity, Ouroboros, and Fallibilism: that no framework-external anchor is available or required, that necessity survives only as an intra-framework constitutive condition, that fallibilism is the appropriate default epistemic stance, and that the justificatory structures available to inquiry take the Our