| nonchalance(noun, ease, apathy, indifference, familiarity) |
| informality(noun, calm, ease, rest, restraint) |
| ease(noun, calm, restraint, content, familiarity) |
| familiarity(noun, ease, simplicity, nonchalance, unpretentiousness) |
| naturalness(noun, calm, ease, rest, restraint) |
| simplicity(noun, ease, familiarity, succinctness) |
| apathy(noun, indifference, nonchalance, informality) |
| detachment(noun, indifference) |
| disregard(noun, neglect, indifference, carelessness, nonchalance) |
| freedom(archaic, feature, state, independence, sovereignty) |
| indifference(noun, nonchalance, informality) |
| insouciance(noun, ease, indifference, familiarity, nonchalance) |
| unconcern(noun, nonchalance, informality) |
| carelessness(noun, neglect, nonchalance, informality) |
| disinterest(noun, indifference) |
| dispassion(noun, indifference) |
| folksiness(noun, succinctness) |
| inattention(noun, neglect, carelessness, nonchalance, informality) |
| unrestraint(noun, calm, ease, restraint, content) |
| acquaintance |