| quantity(noun, competence, efficacy, effectiveness, adeptness) |
| realism(noun, craft, skill, mastery, proficiency) |
| rectitude(noun, craft, skill, mastery, proficiency) |
| savvy(ability, skill, talent) |
| serviceability(noun, practicality, usefulness, helpfulness, serviceableness) |
| simplicity(noun, ease, peace, freedom, facility) |
| stability(noun, order, ability, trustworthiness, maturity) |
| strength(noun, activity, go, force, drive) |
| suitableness(noun, competence, efficacy, effectiveness, adeptness) |
| susceptibility |
| usability |
| value(use, truth, success, worth, correctness) |
| what it takes(noun, expression, idiom, force, power) |
| wit(ability, capacity, talent) |
| worth(truth, correctness, rectitude, effectiveness, utility) |
| able |
| accurateness(noun, skill, truth, certainty, sharpness) |
| action(noun, activity, work, functioning, execution) |
| active |
| activity(noun, action, go, work, drive) |