S: (v) sedate, calm, tranquilize, tranquillize, tranquillise (cause to be calm or quiet as by administering a sedative to) "The patient must be sedated before the operation"
W: (adj) sedative [Related to: sedate] (tending to soothe or tranquilize) "valium has a tranquilizing effect"; "took a hot drink with sedative properties before going to bed"
W: (n) sedation [Related to: sedate] (the administration of a sedative agent or drug)
W: (n) calm [Related to: calm] (steadiness of mind under stress) "he accepted their problems with composure and she with equanimity"