The most common and most likely answer to this crossword clue is the 9 letter word HONORIFIC
I've seen this crossword clue in The Daily Telegraph
H
O
N
O
R
I
F
I
C
More clues leading to the result HONORIFIC
Buddy explains!
The straight part
We know that "Showing respect" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case showing respect = honorific.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 HONORIFIC mean?
HONORIFIC noun- A title. (e.g., Mister, Misses, Doctor, Professor)
- A term of respect; respectful language.
- A word or word form expressing the speaker's respect for the hearer or the referent.
- Showing or conferring honour and respect.
- Based on or valuing honor