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n. A tranquilizer, C16H13ClN2O, used in the treatment of anxiety and tension and as a sedative, muscle relaxant, and anticonvulsant.

n. A minor tranquillizer with sedative effects, taken to reduce anxiety.

n. a tranquilizer (trade name Valium) used to relieve anxiety and relax muscles; acts by enhancing the inhibitory actions of the neurotransmitter GABA; can also be used as an anticonvulsant drug in cases of nerve agent poisoning

"So it appears the kitty diazepam is working as it should, and she's feeling less stressed and more playful."

benzodiazepine   

buspirone    alprazolam    clonazepam    levitra    chlordiazepoxide