To commute means to travel regularly over some distance, usually from home to work and back again. It can also refer to changing a punishment to one that is less severe, such as commuting a sentence from death to life imprisonment. The term "commute" can be used as a verb or a noun, and it describes the act of making the journey or the journey itself. For example, "He commutes to work every day by train" or "His commute takes an hour each way."