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 资深译员Jenny,国内名牌大学法律英语专业,专注翻译各种与重组、破产及重整有关的法律文件。