Retentiveness [noun]
Definition of Retentiveness:
ability to hold in the mind
Sentence/Example of Retentiveness:
It was a wonderful display of retentiveness, acumen, learning, and power.
Receptivity and retentiveness of impression is not only a property of brain, but of all solid matter without exception.
It was as if her mind, overtrained in receptivity and retentiveness, had only dull tentacles to spare for her finger-tips.
But the most remarkable thing through life was his memory, and its wonderful combination of retentiveness and readiness.