n. essential premise; underlying assumption
The basic postulate of democracy, set forth in the Declaration of Independence, is that all men are created equal.
Sentence in Classic:
Postulating some generalization as the goal of the movement of humanity, the historians study the men of whom the greatest number of monuments have remained: kings, ministers, generals, authors, reformers, popes, and journalists, to the extent to which in their opinion these persons have promoted or hindered that abstraction.
War and Peace(V6) By Leo Tolstoy Context