1. used to say that something is probably true or likely to happen based on what is known

Examples

• The meeting was canceled, presumably due to bad weather.
• She left early, presumably to catch her train.
• The store is closed, so presumably they’ve gone home for the day.
• Presumably, the new policy will take effect next month.
• He didn’t answer his phone, presumably because he was in a meeting.
• The package should arrive tomorrow, presumably in the morning.