tranquillˈity or (N American) tranquilˈity noun

tranquillīzāˈtion or tranquillīsāˈtion, or (N American) tranquilīzāˈtion noun

tranqˈuillize or tranqˈuillise, or (N American) tranqˈuilize transitive verb

To make tranquil or immobile, esp by sedation

tranquillīˈzer or tranquillīˈser, or (N American) tranquilˈīˈzer noun

1. That which tranquillizes
2. A sedative drug

tranquillīˈzingly or tranquillīˈsingly, or (N American) tranquilīˈzingly adverb

tranˈquilly adverb

tranˈquilness noun