presumption

noun5

1. •
   The act of presuming, or something presumed.

   • Yet, in contradiction to all these very plausible presumptions, even this remote period teems with its own peculiar and separate instruction. — 1832
2. •
   The belief of something based upon reasonable evidence, or upon something known to be true.

   • The presumption is that an event has taken place.
3. •
   An inference that a trier of fact is either permitted or required to draw under certain factual circumstances (as prescribed by statute or case law) unless the party against whom the inference is drawn is able to rebut it with admissible, competent evidence.
4. •
   Arrogant behaviour; the act of venturing beyond due bounds of reverence or respect.

   • Note the presumption of this Scythian slaue: I tel thee villaine, those that lead my horse Haue to their names tytles of dignitie, And dar’st thou bluntly cal me Baiazeth? — 1587
5. •
   The condition upon which something is presumed.