postulationсуществительное The act of assuming or asserting something as a basis for reasoning, discussion, or belief. The scientist's postulation of a new theory sparked a lot of debate in the academic community.
A statement or proposition that is assumed to be true for the sake of argument or investigation. The postulation that all swans are white was challenged when a black swan was discovered.
Ecclesiastical law: the nomination or proposal of a candidate to an ecclesiastical office, subject to the dispensation of canonical impediments. The chapter's postulation of the monk required papal approval before he could assume the bishopric.