commuting

transitive verb commuted, commuting

1. to change (one thing) for or into another; exchange; substitute
2. to change (an obligation, punishment, etc.) to one that is less severe
3. to substitute (payment in a lump sum) for payment in installments

intransitive verb

1. 1. to be a substitute
   2. to make up; compensate
2. ☆ to travel as a commuter

noun