The most common and most likely answer to this crossword clue is the 7 letter word RAPPORT
I've seen this crossword clue in The Guardian
R
A
P
P
O
R
T
More clues leading to the result RAPPORT
- Knock over wine for communion
- Harmony left following musical style
- Understanding blame attached to harbour
- Understanding rebuke given to the Left
- Bond hit right in belly
- Hit drink to form connection
- Knock and Cork possibly have kinship
- Understanding the blame, one side in the main
- Relationship hit by drink
- Bond reportedly stole gold
Buddy explains!

The straight part
We know that "Bond" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case bond = rapport.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 RAPPORT mean?
RAPPORT noun- A relationship of mutual trust and respect. A close and harmonious relationship in which the people or groups concerned understand each other's feelings or ideas and communicate well.
- Relation; proportion; conformity.