a plan or agenda for a process, usually including the intended times for specific events;
e.g. They drew up a schedule for what they would see and do on each day of their trip.
(noun)
broadly, the events and activities in which a person is involved on a day-to-day basis, or the organized agenda of events that are to happen in a particular period of time;
e.g. My schedule was too full for me to find time to meet with him.
(verb)
to plan or arrange for something to take place or be done at a particular time;
e.g. She tried to schedule an appointment with her doctor for that afternoon.