1. Having a calming or tranquillising effect. ... 2. A tranquilliser. ... Synonym: ataraxic. ... Origin: G. Ataraktos, calm ... (05 Mar 2000) ... Found on http://www.encyclo.co.uk/local/20973
ataraxia, ataractic 1. The absence of anxiety or confusion; imperturbability; untroubled calmness; inner harmony. 2. A tranquilizer; having a tranquilizing or calming effect. Found on http://www.wordinfo.info/words/index/info/view_unit/2838/17
ataraxicadjective tending to soothe or tranquilize; `valium has a tranquilizing effect`; `took a hot drink with sedative properties before going to bed` Found on https://www.encyclo.co.uk/local/20974