#1
commutation n. [
commuting] the travel of a commuter
. wn #2
commutation n. a warrant substituting a lesser punishment for a greater one
. wn #3
commutation n. [
re-sentencing] (law) the reduction in severity of a punishment imposed by law
. wn #4
commutation n. [
substitution, exchange] the act of putting one thing or person in the place of another: "he sent Smith in for Jones but the substitution came too late to help"
. wn