'Presumption' definitions:

Definition of 'presumption'

From: WordNet
noun
An assumption that is taken for granted [syn: given, presumption, precondition]
noun
(law) an inference of the truth of a fact from other facts proved or admitted or judicially noticed
noun
Audacious (even arrogant) behavior that you have no right to; "he despised them for their presumptuousness" [syn: presumption, presumptuousness, effrontery, assumption]
noun
A kind of discourtesy in the form of an act of presuming; "his presumption was intolerable"

Definition of 'Presumption'

From: GCIDE
  • Presumption \Pre*sump"tion\ (?; 215), n. [L. praesumptio: cf. F. pr['e]somption, OF. also presumpcion. See Presume.]
  • 1. The act of presuming, or believing upon probable evidence; the act of assuming or taking for granted; belief upon incomplete proof. [1913 Webster]
  • 2. Ground for presuming; evidence probable, but not conclusive; strong probability; reasonable supposition; as, the presumption is that an event has taken place. [1913 Webster]
  • 3. That which is presumed or assumed; that which is supposed or believed to be real or true, on evidence that is probable but not conclusive. "In contradiction to these very plausible presumptions." --De Quincey. [1913 Webster]
  • 4. The act of venturing beyond due beyond due bounds; an overstepping of the bounds of reverence, respect, or courtesy; forward, overconfident, or arrogant opinion or conduct; presumptuousness; arrogance; effrontery. [1913 Webster]
  • Thy son I killed for his presumption. --Shak. [1913 Webster]
  • I had the presumption to dedicate to you a very unfinished piece. --Dryden. [1913 Webster]
  • Conclusive presumption. See under Conclusive.
  • Presumption of fact (Law), an argument of a fact from a fact; an inference as to the existence of one fact not certainly known, from the existence of some other fact known or proved, founded on a previous experience of their connection; supposition of the truth or real existence of something, without direct or positive proof of the fact, but grounded on circumstantial or probable evidence which entitles it to belief. --Burrill. --Best. --Wharton.
  • Presumption of law (Law), a postulate applied in advance to all cases of a particular class; e. g., the presumption of innocence and of regularity of records. Such a presumption is rebuttable or irrebuttable. [1913 Webster]

Synonyms of 'presumption'

From: Moby Thesaurus