ataraxic

Adjective, Noun

at=a=rax=ic

WORDNET DICTIONARY

ataraxic(s = adj.all) ataractic, sedative, tranquilising, tranquilizing, tranquillising, tranquillizing - tending to soothe or tranquilize; "valium has a tranquilizing effect"; "took a hot drink with sedative properties before going to bed"

Derived form noun ataraxia₁

ataraxic, adj.

tending to soothe or calm or tranquilize [WordNet 1.5]

ataraxic, n.

drug that reduces nervous tension and gives peace of mind. [WordNet 1.5]

For further exploring for "ataraxic" in Webster Dictionary Online