entity assumptionglossary / ENTITY ASSUMPTION entity assumption. The presumption that a business is a unit separate from its owners and from other firms. [Cases: Corporations1. 3. C.J.S. Corporations § 8.] 词条贡献者 译者Carl,知名法学院保险学专业,擅长翻译各种与保险理赔追索相关的法律文件。