The most common and most likely answer to this crossword clue is the 7 letter word BESIDES
I've seen this crossword clue in The Times
B
E
S
I
D
E
S
More clues leading to the result BESIDES
- Good queen eating fish as well
- We hear less important parts of pop singles, moreover
- Bridge players in one club, say, joining more bridge players too
- Starts for Bristol and Exeter teams too
- Happen to find fish on board as well
- Most perfect short day in Rome, too
- Vicious in a swarm, moreover
- Less familiar tunes including Beethoven’s Second, moreover
- Live with pretension? Succeeded, what’s more!
- Outskirts of Brisbane left right behind too
Buddy explains!

The straight part
We know that "as well" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case as well = besides.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 BESIDES mean?
BESIDES adverb- Also; in addition.
- Used to emphasize an additional point, especially an important or stronger reason; Moreover; furthermore.
- Otherwise; else.
- On one side.
- In addition, in addition to.
- Other than; except for; instead of.
- Beside.