Orthodox (adjective)

1. Adhering to traditional or established beliefs or practices.
2. Conforming to the traditional or conventional views or practices.
3. Considered the standard or normal in a particular field.

Origin:

The word "orthodox" comes from the greek words "orthos" which means "right" or "correct" and "doxa" which means "opinion" or "belief". it was first used in english in the early 1600s.

Examples:

1. The school follows the orthodox curriculum and teaching methods.
2. The book presents an unorthodox interpretation of the historical events.
3. The orthodox view is that the universe began with the big bang.
4. His unorthodox methods were criticized by the orthodox members of the scientific community.
5. The orthodox approach to solving the problem was to increase the budget, but he suggested a different approach.