The most common and most likely answer to this crossword clue is the 9 letter word MESSIANIC
I've seen this crossword clue in The Times
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More clues leading to the result MESSIANIC
- Terribly nice mass, one inspired by Jesus?
- Like Jesus of Nazareth, is back in different cinemas
- Fervent and overexcited about the central part of confessional
- Passionate, a miss with nice pants
- Crusading is cinema’s downfall
- Muddle with man in charge aiming to rescue the situation?
- Grandly liberating cinemas is wrong
- Football star caught gathering in a shot, miraculously able to save
Buddy explains!

The straight part
We know that "by Jesus?" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case by jesus? = messianic.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 MESSIANIC mean?
MESSIANIC adjective- Of, relating to, or resembling a messiah or the Messiah.
- Of, relating to, or resembling messianism.