Reschedule is defined as to change the date or time of something.
An example of reschedule is to move a Monday doctor's appointment to Friday.
transitive verbre·sched·uled, re·sched·ul·ing, re·sched·ules
To schedule again or anew: rescheduled the meeting for the following week; rescheduled the debts of many developing nations.
(third-person singular simple present reschedules, present participle rescheduling, simple past and past participle rescheduled)
re- +"Ž schedule