From The Collaborative International Dictionary of English v.0.48: Tranquilizer \Tran"quil*i`zer\, Tranquillizer \Tran"quil*li`zer\ , n. One who, or that which, tranquilizes. [1913 Webster] Tranquilizing
Tranquilizer \Tran"quil*i`zer\, Tranquillizer \Tran"quil*li`zer\ , n. One who, or that which, tranquilizes. [1913 Webster] Tranquilizing