The act of postulating or something postulated(noun)
Something self-evident that can be assumed as the basis of an argument(noun)
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Use "postulation" in a sentence
"If the "earn them on one hunt, collect them on another" postulation is true -- all I can say is that I've been building up an exponential payday over the past 7 years!"
"A postulation is a petition presented to a competent ecclesiastical superior, that he may promote to a certain dignity a person who is not strictly eligible on account of some canonical impediment which is usually dispensable."
"A postulation that it began with the cell and that it was designed."