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
User Defined Definitions
"the travel of a commuter"
"exchange positions without a change in value"
"travel back and forth regularly, as between one's place of work and home"
"change the order or arrangement of"
"exchange a penalty for a less severe one"
"exchange or replace with another, usually of the same kind or category"