Of an operation, to be commutative, i.e. to have the property that changing the order of the operands does not change the result.
To regularly travel from one's home to one's workplace or school, or vice versa.
To reduce the sentence previously given for a criminal offense.
To journey, to make a journey
To exchange substantially; to abate but not abolish completely, a penalty, obligation, or payment in return for a great, single thing or an aggregate; to cash in; to lessen
To pay, or arrange to pay, in advance, in a lump sum instead of part by part.
To pay out the lumpsum present value of an annuity, instead of paying in instalments; to cash in; to encash
To regularly travel from one place to another using public transport.
A regular journey between two places, typically home and work.
The route, time or distance of that journey.
change the order of
make a permutation of