'Preciousness' definitions:

Definition of 'preciousness'

From: WordNet
noun
The quality possessed by something with a great price or value [syn: costliness, dearness, preciousness]
noun
The positive quality of being precious and beyond value [syn: invaluableness, preciousness, pricelessness, valuableness]
noun
The quality of being fastidious or excessively refined [syn: preciosity, preciousness]

Definition of 'Preciousness'

From: GCIDE
  • Preciousness \Pre"cious*ness\, n. The quality or state of being precious; costliness; dearness. [1913 Webster]