Essential Oils Considered Sedative, Calming, Soothing and Relaxing The following list includes essential oils are considered Sedative, Calming, Soothing and Relaxing. Sedative: reduces mental excitement or physical activity, slows down functional activity and lessens excitement, calming.  Calming: sedative, calming agent; produces a sedative or tranquilizing effect. Soothing: having a gently calming effect. Relaxing: reducing tension …