or·tho·doxy /ˈɔrθəˌdɑksi/
 正統說法,正教,信奉正教
 Or·tho·dox·y n.
 1. Soundness of faith; a belief in the doctrines taught in the Scriptures, or in some established standard of faith; -- opposed to heterodoxy or to heresy.
    Basil himself bears full and clear testimony to Gregory's orthodoxy.   --Waterland.
 2. Consonance to genuine Scriptural doctrines; -- said of moral doctrines and beliefs; as, the orthodoxy of a creed.
 3. By extension, said of any generally accepted doctrine or belief; the orthodox practice or belief.
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 orthodoxy
      n 1: the quality of being orthodox (especially in religion) [ant:
            unorthodoxy]
      2: a belief or orientation agreeing with conventional standards
         [ant: unorthodoxy]