| Acronym | Definition |
|---|
| WSFS➣World Science Fiction Society (Cambridge, MA) |
| WSFS➣Western School of Feng Shui (Encinitas, CA; est. 1996) |
| WSFS➣We Stand for Service (WSFS Bank slogan; Delaware) |
| WSFS➣Wilmington Savings Funds Society (Delaware bank) |
| WSFS➣Workstation Functional Segment |