commute

American Heritage® Dictionary of the English Language, Fourth Edition

1. v. To travel as a commuter.
2. v. To make substitution or exchange.
3. v. To serve as a substitute.
4. v. To pay in gross, usually at a reduced rate, rather than in individual payments.
5. v. Mathematics & Logic To satisfy or engage in a commutative operation.
6. v. To substitute (one thing for another); exchange.
7. v. To change (a penalty, debt, or payment) to a less severe one.
8. n. An act or instance of commuting, especially the trip made by a commuter: a 22-mile commute; an easy commute.

Century Dictionary and Cyclopedia

1. To exchange; put in the place of another (thing or person); give or receive for another; substitute another thing for.
2. Specifically— To exchange one penalty or punishment for another of less severity.
3. To substitute one sort of burden for another; especially, to substitute money payment for payment in kind or the performance of a compulsory duty: as, to commute tithes.
4. In electricity, to regulate (the direction of an electrical current) as by a commutator.
5. To serve as a substitute.
6. To pay in money instead of in kind or in duty.
7. To pay a single sum as an equivalent for a number of successive payments; specifically, to purchase and use a commutation-ticket.

Wiktionary

1. v. intransitive To regularly travel from one's home to one's workplace, or vice versa.
2. v. transitive, finance To pay out the lump-sum present value of an annuity, instead of paying in instalments.
3. v. intransitive To pay, or arrange to pay, in gross instead of part by part.
4. v. transitive, law, criminology To reduce the sentence previously given for a criminal offense.
5. v. intransitive To obtain or bargain for exemption or substitution; to effect a commutation.
6. v. intransitive, mathematics To engage in a commutative operation.
7. n. The route one takes to travel to a workplace or back.
8. n. The distance of that route.

GNU Webster's 1913

1. v. 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.
2. v. To obtain or bargain for exemption or substitution; to effect a commutation.
3. v. To pay, or arrange to pay, in gross instead of part by part.
4. v. to travel regularly from a place of residence to another place, such as where one's daily work is performed. Often, such travel is performed between a suburb and a nearby city.

WordNet 3.0

1. v. exchange positions without a change in value
2. v. exchange a penalty for a less severe one
3. v. change the order or arrangement of
4. v. exchange or replace with another, usually of the same kind or category
5. n. a regular journey of some distance to and from your place of work
6. v. travel back and forth regularly, as between one's place of work and home