IPA: //ˈtræŋkwəˌlaɪzər//
KK: /ˈtræŋkwəˌlaɪzər/
A type of medication that helps to calm a person down and reduce feelings of anxiety or tension.
The doctor prescribed a tranquilizer to help her manage her anxiety during stressful situations.
Tranquilizer → It is formed from "tranquil" (from Latin "tranquillus", meaning calm or quiet) and the suffix "-izer" (meaning to make or cause to be). The word "tranquilizer" refers to something that makes a person calm or quiet.
Think of something that makes you 'calm' ('tranquil') — that's what a tranquilizer does.