The most common and most likely answer to this crossword clue is the 6 letter word DINING
I've seen this crossword clue in Independent
D
I
N
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G
More clues leading to the result DINING
- Having a meal, sound as a bell, but missing girl
- Consuming desire begins at home in middle age
- Row in government at table
- Activity in restaurant requiring much effort? Artist’s failed to appear
- Row in estate perhaps about good fast food available here?
- Rail fare may be taken here
- Rail fare may be put away here
- Information on fare for journey will be given here
- Racket at home over a bit of gracious eating
- Commotion in big finale? It might be fine
Buddy explains!

The straight part
We know that "at table" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case at table = dining.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 DINING mean?
DINING verb- To eat; to eat dinner or supper.
- To give a dinner to; to furnish with the chief meal; to feed.
- To dine upon; to have to eat.
- Eating dinner as a social function.
- Entertaining someone to dinner.