| placidity | (n) a feeling of calmness; a quiet and undisturbed feeling, Syn. placidness |
| Acidness | n. Acidity; sourness. [ 1913 Webster ] |
| Placidness | n. The quality or state of being placid. [ 1913 Webster ] |
| Bissigkeit { f } | acidness [Add to Longdo] |
| mild; sanft; friedlich { adj } | placidness [Add to Longdo] |