izuzetan

1. outstanding; exceptional; remarkable
   Ona je izuzetna pevačica. — She is an outstanding singer.
   Bio je to izuzetan film. — It was a remarkable film.
2. exceptional; special
   Samo u izuzetnim slučajevima primamo zahteve posle roka. — We accept applications after the deadline only in exceptional cases.

The adverb izuzetno often simply means 'very': izuzetno važno.