adjective
1.
conforming to doctrines or practices that are held to be right or true by an authority, standard, or tradition
those who still hold an orthodox view about evolution
Synonyms: accepted, authoritative, canonical, received, sanctioned, sound
Related Word: acknowledged, admitted, approved; customary, official, recognized, standard, traditional; correct, proper, right
Contrasted words: heretical, heterodox, unauthoritative, uncanonical
Antonyms: unorthodox
2.
Synonyms: conventional 1, button-down, square, straight
3.
Synonyms: conservative 1, die-hard, fogyish, old-line, reactionary, right, tory, traditionalistic
Antonyms: unorthodox