Definition of postulation in English:

postulation

noun

  • 1A suggestion or assumption of the existence, fact, or truth of something as a basis for reasoning, discussion, or belief.

    ‘discrepancies between empirical findings and theoretical postulations’
    mass noun ‘the postulation of the existence of a lost continent’
  • 2(in ecclesiastical law) a nomination or election of someone to an ecclesiastical office subject to the sanction of a higher authority.

Pronunciation

postulation

/pɒstjʊˈleɪʃ(ə)n/