1. Apaisant.
2. Sédatif.
Which calms.
Causing to become tranquil; SYN. lulling, quietening.
Any drug that has a calming effect, reducing anxiety and tension.
Sedatives will induce sleep in larger doses. Examples are barbiturates, narcotics, and benzodiazepines.
Affording physical relief
Tranquilizer.