Calmant.
Causing to become tranquil; SYN. lulling, quietening.
A drug used to reduce stress or tension without reducing mental clarity; SYN. tranquillizer, antianxiety agent.
Common name for any drug for reducing anxiety or tension (anxiolytic), such as benzodiazepines, barbiturates, antidepressants, and beta-blockers. The use of drugs to control anxiety is becoming much less popular, because most of the drugs used are capable of inducing dependence.
Tranquilizer.