Synonyms of calmative

2 Syllables
calming, calmant, allaying
3 Syllables
relaxing, pain-killer, hypnotic
4 Syllables
sedative, lenitive, nonirritant, tranquillizer, soporific, sleep-inducing, tranquillizing, anodyne
5 Syllables
nonirritating, barbiturate, trance-inducing