Synonyms for Orthodox (same or very similar meaning)
WordNet sense 1 (of or relating to or characteristic of the Eastern Orthodox Church):
Eastern Orthodox, Greek Orthodox, Russian Orthodox
WordNet sense 2 (of or pertaining to or characteristic of Judaism):
Jewish-Orthodox
WordNet sense 3 (conforming with accepted standards):
conventional, established
WordNet sense 4 (conforming to orthodox or recognized rules):
canonical
From the ODE community, based on WordNet
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