noun
BAD : The manager's timetable next week is very busy.
GOOD : The manager's schedule next week is very busy.
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timetable = a list or plan showing the times when lessons take place or the times when buses, trains etc arrive and leave: 'According to my timetable, history is on Mondays and Thursdays.'
schedule = a detailed plan of all the things that have to be done during a certain period: 'It's important that we all try and keep to the schedule.' 'The project is running 6 months behind schedule.'