'Completeness' definitions:

Definition of 'completeness'

From: WordNet
noun
The state of being complete and entire; having everything that is needed [ant: incompleteness, rawness]
noun
(logic) an attribute of a logical system that is so constituted that a contradiction arises if any proposition is introduced that cannot be derived from the axioms of the system

Definition of 'Completeness'

From: GCIDE
  • Completeness \Com*plete"ness\, n. The state of being complete. [1913 Webster]