Sedative

1. (a.) Tending to calm, moderate, or tranquilize

2. (a.) allaying irritability and irritation; assuaging pain.

3. (n.) A remedy which allays irritability and irritation, and irritative activity or pain.

Thesaurus Entries

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