surely
adverbUK /ˈʃɔː.li/
US /ˈʃʊr.li/
You use surely to say you are very sure about something.
Surely you can't be serious about walking home in this rain.
OTHER MEANINGS
2. Used to show that something is surprising or hard to believe.
Surely she didn't forget her own birthday party.
3. In a safe or steady way, without doubt or danger.
The old bridge held surely through the storm.
4. Used to ask for agreement or to emphasize a point.
Surely we can agree that kindness matters.