Definition

1. Adjective:
   • Capable of being exchanged or substituted for something else of equivalent value or function: This meaning describes something that can be replaced by another item without loss of worth or purpose.
   • Subject to alteration or change, especially in legal or formal contexts: This meaning often refers to a penalty or sentence that can be legally changed or reduced to a less severe one.

Usage Examples

• Adjective:
  • The two types of currency were not commutable at the official exchange rate. (The currencies could not be directly exchanged for each other at that rate.)
  • The judge declared the sentence commutable from a fine to community service. (The judge stated the penalty could be changed from a monetary fine to unpaid work.)
  • In some pension schemes, benefits are commutable for a lump-sum payment. (The regular pension payments can be exchanged for a single, larger payment.)

Advanced Usage

• Legal Context: Most commonly used to describe a criminal sentence, especially a death penalty, that can be legally reduced or changed.
  • The prisoner hoped for a commutable sentence. (The prisoner hoped for a sentence that could be reduced.)
• Financial/Contractual Context: Used to describe terms, benefits, or obligations that can be exchanged or converted.
  • The contract includes a commutable clause for the delivery method. (The contract allows the method of delivery to be changed to an equivalent one.)

Variants and Related Words

• Commute (verb): To travel regularly over a distance, or to reduce a judicial sentence.
  • He commutes to the city every day.
  • The governor commuted the prisoner's sentence.
• Commutation (noun): The act or process of commuting; a substitution or exchange.
  • The commutation of his sentence brought relief to his family.
• Noncommutable (adj.): Not capable of being exchanged or altered.
  • The terms of the agreement were noncommutable.

Synonyms

• Exchangeable: Capable of being traded or swapped.
• Convertible: Able to be changed in form, character, or function.
• Substitutable: Capable of being replaced by another.

Antonyms

• Incommutable: Not subject to change or exchange.
• Irreducible: Not able to be lessened or simplified.
• Fixed: Not subject to change or alteration.

Adjective

1. capable of being exchanged for another or for something else that is equivalent
2. subject to alteration or change
   • the death sentence was commutable to life imprisonment