v. 通勤；代偿；减刑；交换；使……变成（commute 的过去式和过去分词）

Commute \Com*mute"\ (k[o^]m*m[=u]t"), v. t. [imp. & p. p.
{Commuted}; p. pr. & vb. n. {Commuting}.] [L. commutare,
-mutatum; com- + mutare to change. See {Mutation}.]
1. To exchange; to put or substitute something else in place
of, as a smaller penalty, obligation, or payment, for a
greater, or a single thing for an aggregate; hence, to
lessen; to diminish; as, to commute a sentence of death to
one of imprisonment for life; to commute tithes; to
commute charges for fares.

The sounds water and fire, being once annexed to
those two elements, it was certainly more natural to
call beings participating of the first ``watery'',
and the last ``fiery'', than to commute the terms,
and call them by the reverse. --J. Harris

The utmost that could be obtained was that her
sentence should be commuted from burning to
beheading. --Macaulay.