'Stableness' definitions:

Definition of 'stableness'

From: WordNet
noun
The quality or attribute of being firm and steadfast [syn: stability, stableness] [ant: instability, unstableness]

Definition of 'Stableness'

From: GCIDE
  • Stableness \Sta"ble*ness\, n. The quality or state of being stable, or firmly established; stability. [1913 Webster]