'ataraxic' definitions:
Definition of 'ataraxic'
From: WordNet
adjective
Tending to soothe or tranquilize; "valium has a tranquilizing effect"; "took a hot drink with sedative properties before going to bed" [syn: ataractic, ataraxic, sedative, tranquilizing, tranquillizing, tranquilising, tranquillising]