The most common and most likely answer to this crossword clue is the 6 letter word GOSPEL
I've seen this crossword clue in The Daily Telegraph
G
O
S
P
E
L
More clues leading to the result GOSPEL
- Records in diary reflected evangelist's message
- Truth drug Bojo has GP give Nigel
- Turn on charm, mostly to get the honest truth
- Type of music for Mark or John
- Set importing outsize piano? It's true
- Return record featuring small exercise book
- Work on sales pitch, overlooking one truthful message?
- In turn, endlessly recite sequence of letters? It’s true
- Teaching the absolute truth
- John, for instance, makes this type of music
Buddy explains!
The straight part
We know that "doctrine" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case doctrine = gospel.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does GOSPEL mean?
GOSPEL noun- The first section of the Christian New Testament scripture, comprising the books of Matthew, Mark, Luke and John, concerned with the life, crucifixion, death, resurrection, and teachings of Jesus.
- An account of the life, crucifixion, death, resurrection, and teachings of Jesus, generally written during the first several centuries of the Common Era.
- The teaching of Divine grace as distinguished from the Law or Divine commandments.
- A message expected to have positive reception or effect, one promoted as offering important (or even infalliable) guiding principles.
- That which is absolutely authoritative (definitive).
- Gospel music.
- To instruct in the gospel.