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1. Capable of being substituted, interchanged, or revoked: a commutable prison sentence.
2. Accessible to commuters: "Seattle's next most commutable island is Vashon" (Islands).
1. (Law) law (of a punishment) capable of being reduced in severity
2. able to be exchanged
comˌmutaˈbility, comˈmutableness n
com•mut•a•ble(kəˈmyu tə bəl)
capable of being commuted; interchangeable.
[1640–50; < Latin]
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|Adj.||1.||commutable - subject to alteration or change; "the death sentence was commutable to life imprisonment"|
incommutable - not subject to alteration or change
|2.||commutable - capable of being exchanged for another or for something else that is equivalent|
exchangeable - suitable to be exchanged