The most common and most likely answer to this crossword clue is the 7 letter word PALATES
I've seen this crossword clue in The Guardian
P
A
L
A
T
E
S
Buddy explains!
The straight part
We know that "Tastes" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case tastes = palates.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 PALATES mean?
PALATES noun- The roof of the mouth; the uraniscus.
- The sense of taste.
- Relish; taste; liking (from the mistaken notion that the palate is the organ of taste)
- Mental relish; intellectual taste.
- A projection in the throat of such flowers as the snapdragon.