Retentiveness

n.

1.

The quality of being retentive.

Noun	1.	retentiveness - the power of retaining and recalling past experience; "he had a good memory when he was younger" Synonyms: retention, memory
	2.	retentiveness - the property of retaining possessions that have been acquired
	3.	retentiveness - the power of retaining liquid; "moisture retentivity of soil" Synonyms: retentivity, retention

anamnesis, faculty, memory, mental faculty, module, recollection, remembrance, retention