adjective
- Subject to alteration or change.
- usage: "the death sentence was commutable to life imprisonment"
- Capable of being exchanged for another or for something else that is equivalent.
- synonyms: substitutable
Commutable and Switchable
WordNet 3.0 © 2006 by Princeton University
(a.) Capable of being commuted or interchanged.
Webster's Revised Unabridged Dictionary