What is the meaning of postulate?

noun

• Logic) a proposition that is accepted as true in order to provide a basis for logical reasoning.
  • synonyms: posit

verb

• Maintain or assert.
  • usage: "He contended that Communism had no future"
  • synonyms: contend
• Take as a given; assume as a postulate or axiom.
  • usage: "He posited three basic laws of nature"
  • synonyms: posit
• Require as useful, just, or proper.
  • usage: "It takes nerve to do what she did"; "success usually requires hard work"; "This job asks a lot of patience and skill"; "This position demands a lot of personal sacrifice"; "This dinner calls for a spectacular dessert"; "This intervention does not postulate a patient's consent"
  • synonyms: necessitate, ask, need, require, take, involve, call for, demand