'Retentiveness' definitions:

Definition of 'retentiveness'

From: WordNet
noun
The power of retaining and recalling past experience; "he had a good memory when he was younger" [syn: memory, retention, retentiveness, retentivity]
noun
The property of retaining possessions that have been acquired [syn: retentiveness, retentivity]
noun
The power of retaining liquid; "moisture retentivity of soil" [syn: retentiveness, retentivity, retention]

Definition of 'Retentiveness'

From: GCIDE
  • Retentiveness \Re*ten"tive*ness\, n. The quality of being retentive. [1913 Webster]