This is the 849th most frequent Danish word.
vært
Host.
In this context, 'vært' means host, referring to someone who welcomes guests.
Jeg har været en vært på festen.
I have been a host at the party.
Here, 'været' is the past participle of 'være', used to denote a state or condition.
Det har været en lang dag.
It has been a long day.
Once more, 'vært' is used as 'host', describing someone taking responsibility for hosting an event or show.