The most common and most likely answer to this crossword clue is the 8 letter word GOODWILL
I've seen this crossword clue in The Times
G
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More clues leading to the result GOODWILL
Buddy explains!
The straight part
We know that "seasonal kindness" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case seasonal kindness = goodwill.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 GOODWILL mean?
GOODWILL noun- A favorably disposed attitude toward someone or something.
- The value of a business entity not directly attributable to its tangible assets and liabilities. This value derives from factors such as consumer loyalty to the brand.
- A concept used to refer to the ability of an individual or business to exert influence within a community, club, market or another type of group, without having to resort to the use of an asset (such as money or property), either directly or by the creation of a lien.