1. Be a success
   "The idea panned out"
    
2. Wash gravel, sand, or dirt in a pan to separate out gold or other precious minerals
   "The prospectors panned out the river sediment";
   - pan, pan off

Derived forms: pans out, panning out, panned out

Type of: bring home the bacon [informal], come through, come up trumps [Brit, informal], deliver the goods, succeed, turn up trumps [Brit, informal], wash, win