Etymology
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No results were found for tranquillize. Showing results for tranquilize.
tranquilize (v.)
1620s, from tranquil + -ize. Related: Tranquilized; tranquilizing; tranquilization.
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tranquilizer (n.)
1800, "that which tranquilizes;" from 1824 as "a sedative" (first reference is to ground ivy), agent noun from tranquilize; in reference to one of a large group of anti-anxiety drugs, it is recorded by 1956.
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