from the LH-timetable (german-version, page 308): Geneva
"for guests with Airplus Card: Jet Aviation Lounge" (for Senators the LH Senator Lounge).
tip: don't make only an airport stopover in Geneva. The airport is just 10 min. by train from the downtown (and lake of Geneva) area. train stop is in the airport and runs at least every 20 minutes.