sedative

Definitions

A drug or other substance that promotes calmness or induces sleep.

Tending to calm, soothe, or tranquilize.

Examples

The doctor prescribed a mild sedative to help the patient sleep through the night.

The soothing music acted as a sedative, calming the anxious crowd in the waiting room.

Synonyms

tranquilizer calmative depressant soothing agent anesthetic opiate hypnotic

Antonyms

stimulant upper energizer excitant revitalizer pick-me-up activator