| evenness(noun, calm, poise, calmness, dignity) |
| expertise(noun, control, understanding, ease, knowledge) |
| expertness(noun, control, understanding, ease, knowledge) |
| facility(noun, understanding, knowledge, grasp, peace) |
| familiarity(noun, ease, peace, simplicity, freedom) |
| flexibility(noun, ease, peace, simplicity, freedom) |
| fluency(noun, ease, peace, simplicity, freedom) |
| fortitude(noun, calm, assurance, poise, calmness) |
| grit(noun, spirit, determination, resolution, assurance) |
| guts |
| hardness(noun, support, control, strength, balance) |
| harmony(noun, calm, poise, calmness, dignity) |
| immovability(noun, support, control, strength, temper) |
| imperturbation |
| impudence(noun, spirit, cold, determination, confidence) |
| independence |
| inexcitability(noun, calm, temper, poise, calmness) |
| insouciance(noun, ease, peace, simplicity, freedom) |
| invariability |
| knack(noun, understanding, ease, knowledge, grasp) |