| staunching |
| staying power(noun, expression, spirit, determination, firmness) |
| steadfast |
| stick-to-itiveness(noun, resolve, determination, firmness, persistence) |
| stock(noun, store, trust, confidence, assurance) |
| stomach(noun, resolve, determination, firmness, persistence) |
| stoniness(noun, resolution) |
| store(noun, trust, confidence, assurance, stock) |
| strength of purpose(noun, expression, idiom, resolve, determination) |
| strong will(noun, expression, spirit, determination, resolution) |
| sturdiness |
| subjection(noun, support, honor, tie, honesty) |
| submission(noun, support, honor, tie, honesty) |
| substantiality |
| support(noun, honor, tie, honesty, devotion) |
| sure bet(noun, expression, store, trust, confidence) |
| sure thing(noun, expression, store, trust, confidence) |
| surefire(noun, store, trust, confidence, assurance) |
| sureness(noun, store, trust, confidence, assurance) |
| temper |