Sedative

a.	1.	(Med.) Tending to calm, moderate, or tranquilize
n.	1.	(Med.) A remedy which allays irritability and irritation, and irritative activity or pain.

Noun	1.	sedative - a drug that reduces excitability and calms a person Synonyms: depressant, downer, sedative drug
Adj.	1.	sedative - tending to soothe or tranquilize; "valium has a tranquilizing effect"; "took a hot drink with sedative properties before going to bed" Synonyms: ataractic, ataraxic, tranquilising, tranquilizing

Mickey Finn, allaying, anodyne, balm, barbiturate, calmant, calmative, calming, depressant, depressing, downer, hypnotic, lenitive, narcotic, opiate, pacifier, relaxing, sleep-inducing, sleeping, sleeping pill, soothing, soporific, tranquilizer