English to English

noun (n)

• a hypothesis that is taken for granted(noun.cognition)

  Synonym:
  assumption, supposition
  

  source: wordnet30
• the cognitive process of supposing(noun.cognition)

  Synonym:
  supposition
  

  source: wordnet30
• The act of supposing; also, that which is supposed; supposition; opinion.(noun)

  source: webster1913