The most common and most likely answer to this crossword clue is the 6 letter word THANKS
I've seen this crossword clue in Financial Times
T
H
A
N
K
S
More clues leading to the result THANKS
- Cheers Henry during defeats
- Saving hospital, military convoy possibly cheers
- Appreciated it’s hot inside military vehicles
- Gratitude from Oscar-winner Tom?
- D Washington’s co-star in Philadelphia cheers
- I appreciate that Hollywood actor wants the Order of Merit
- Cheers, as Hungarian capital toured by military vehicles
- Appreciation shown by an actor wanting an award
- Cheers, seeing back of fish in aquaria
- Chambers: “piece included in bronzes”
Buddy explains!

The straight part
We know that "cheers" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case cheers = thanks.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 THANKS mean?
THANKS noun- An expression of appreciation; a thought.
- To express gratitude or appreciation toward.
- To feel gratitude or appreciation toward.
- To credit or hold responsible.
- An expression of gratitude.
- Grateful feelings or thoughts.
- Used to express appreciation or gratitude.