The most common and most likely answer to this crossword clue is the 2 plus 4 letter word IN SYNC
I've seen this crossword clue in The Times
I
N
S
Y
N
C
More clues leading to the result IN SYNC
- Agreeing place for plug on the radio
- Fashionable basin reportedly matching
- Matching like crockery perhaps being washed up, we hear
- Harmonious pub keeps emptying Surrey college
- Harmonious, bar clubs around the Seychelles
- Shandy drained during pub crawl, primarily harmonious
- Matching dishes may be here to wash, we hear
Buddy explains!
The straight part
We know that "Agreeing" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case agreeing = in sync.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.