Postulate
Part of speech: noun
Definition: Something assumed without proof as being self-evident or generally accepted, especially when used as a basis for an argument. A fundamental element; a basic principle. An axiom. A requirement; a prerequisite.
Part of speech: verb
Definition: To assume as a truthful or accurate premise or axiom, especially as a basis of an argument. To appoint or request one's appointment to an ecclesiastical office. To request, demand or claim for oneself.
Posit
Part of speech: noun
Definition: Something that is posited; a postulate.
Part of speech: verb
Definition: Assume the existence of; to postulate.Propose for consideration or study; to suggest.Put (something somewhere) firmly.