This is the 8048th most frequent Portuguese word.
seguramente
Certainly; surely.
In this context, 'seguramente' is used to express certainty about the event that the person will arrive at the party before anyone else.
Seguramente, ele chegará à festa antes de todos.
Surely, he will arrive at the party before everyone else.
Here, 'seguramente' is used in the sense of safety or security, indicating action to prevent loss.
Eu vou guardar este documento seguramente para não perder.
I will safely store this document to avoid losing it.
In this case, 'seguramente' is again used to convey a sense of confidence or assurance in the proposition presented.