| efficiency(ease, familiarity, casualness) |
| effortlessness(ease, familiarity, casualness) |
| expertise(ease, familiarity, casualness) |
| expertness(ease, familiarity, casualness) |
| flexibility(ease, familiarity, casualness) |
| fluency(ease, familiarity, casualness) |
| genuineness(modesty, artlessness, ingenuousness, naturalness, guilelessness) |
| good faith(expression, artlessness, ingenuousness, naturalness) |
| goodwill(artlessness, ingenuousness, naturalness) |
| heart(artlessness, ingenuousness, naturalness) |
| honor(artlessness, ingenuousness, naturalness) |
| impartiality(artlessness, ingenuousness, naturalness) |
| inferiority(submissiveness, meekness, humbleness) |
| insouciance(ease, familiarity, casualness) |
| justice(artlessness, ingenuousness, naturalness) |
| knack(ease, familiarity, casualness) |
| lack of ceremony(expression, idiom, ease, familiarity, casualness) |
| lack of formality(expression, idiom, ease, familiarity, casualness) |
| liberty(ease, familiarity, casualness) |
| nonchalance(ease, familiarity, casualness) |