noun
1. exchangeability by virtue of being replaceable
• Syn: ↑replaceability, ↑substitutability
• Derivationally related forms: ↑commutable, ↑substitutable (for: ↑substitutability), ↑replaceable (for: ↑replaceability)
• Hypernyms: ↑exchangeability, ↑interchangeability, ↑interchangeableness, ↑fungibility
2. the quality of being commutable
• Syn: ↑transmutability
• Derivationally related forms: ↑transmutable (for: ↑transmutability)
• Hypernyms: ↑changeableness, ↑changeability
Useful english dictionary. 2012.