Definify.com

Webster 1913 Edition

adv.

In a doctrinal manner or form; by way of teaching or positive direction.

, adv In the form of doctrine or instruction; by way of teaching or positive direction.

doctrinally ‎(comparative more doctrinally, superlative most doctrinally)

In a doctrinal manner; in terms of doctrine.
He was doctrinally knowledgeable but failed to follow the basic tenets of the religion.

in a doctrinal manner