obasjavati

1. to light up; to illuminate
   Jutarnje sunce obasjava celu sobu. — The morning sun lights up the whole room.
   Reflektori obasjavaju zgradu Skupštine. — Floodlights illuminate the Parliament building.
2. (of a smile, joy) to light up
   Osmeh joj obasjava lice kad ga vidi. — A smile lights up her face whenever she sees him.