This is the 718th most frequent Swedish word.
förstås
"Förstås" means "of course" or "naturally" in English.
Here, "förstås" is used to mean "of course," emphasizing something that is naturally or obviously important.
Det är förstås viktigt att komma i tid.
It is of course important to be on time.
In this case, "förstås" indicates that the subject comprehended clearly and naturally after being given additional information.
Han visste inte vad som hände, men förstod förstås när jag förklarade.
He didn't know what happened, but understood, of course, when I explained.
Here, "förstås" acts as an interjection affirming the evident reason why she is liked by everyone.