orthodox:

The word orthodox, comes from Greek orthos ("right", "true", "straight") + doxa("opinion" or "belief", related to dokein, "to think")[1] is generally used to mean the adherence to accepted norms, more specifically to creeds, especially in religion[2]. In the narrow sense the term means "conforming to the Christian faith as represented in the creeds of the early Church".[1]

[1] ^ a b orthodox.  Dictionary.com. Online Etymology Dictionary. Douglas Harper, Historian. Dictionary Definition

(accessed: March 03, 2008).

[2] orthodox. Dictionary.com. The American Heritage Dictionary of the English Language, Fourth Edition. Houghton Mifflin Company, 2004. Dictionary definition

 (accessed: March 03, 2008).