| sagacity(understanding, knowledge, sense, wisdom, shrewdness) |
| sageness(understanding, knowledge, sense, wisdom, perceptiveness) |
| saneness |
| savoir faire(noun, expression, control, understanding, knowledge) |
| sensitivity(noun, control, understanding, care, head) |
| shrewdness(noun, understanding, knowledge, sense, wisdom) |
| smoothness(noun, control, understanding, care, head) |
| sober-mindedness |
| sobriety |
| solidity(noun, health, understanding, knowledge, reason) |
| sophistication(understanding, knowledge, sense, caution, wisdom) |
| sound judgment(expression, knowledge, reason, sense, intelligence) |
| sound sense(expression, knowledge, reason, sense, intelligence) |
| stability(noun, health, understanding, knowledge, reason) |
| suavity(noun, control, understanding, care, head) |
| subtlety(noun, control, understanding, care, head) |
| sweet reason(expression, knowledge, reason, sense, intelligence) |
| tact(noun, control, understanding, care, head) |
| tactfulness(noun, control, understanding, care, head) |
| urbanity(noun, control, understanding, care, head) |