'Replaceability' definitions:

Definition of 'replaceability'

From: WordNet
noun
Exchangeability by virtue of being replaceable [syn: replaceability, substitutability, commutability]

Definition of 'Replaceability'

From: GCIDE
  • Replaceability \Re*place`a*bil"i*ty\ (-?-b?l"?-t?), n. The quality, state, or degree of being replaceable. [1913 Webster]