prisustvovati

1. (+ dat.) to attend; to be present at
   Svi studenti moraju da prisustvuju predavanjima. — All students must attend lectures.
   Prisustvovala je venčanju svoje najbolje drugarice. — She attended her best friend's wedding.
2. (+ dat.) to witness
   Prisustvovali smo neverovatnoj sceni na ulici. — We witnessed an incredible scene in the street.

Takes the dative without a preposition: prisustvovati sastanku.