The most common and most likely answer to this crossword clue is the 7 letter word THEREBY
I've seen this crossword clue in Financial Times
T
H
E
R
E
B
Y
More clues leading to the result THEREBY
- Three changed in multiplication with about that amount
- For that reason I’m not sure about appearing in The Times
- Times added to article about Queen using such means
- As a result, article on eBay oddly disappeared
- Roughly three billion yen — about that amount
- As a result, the byre collapsed
- People generally will keep regarding British in that way
- Thus her bet’s wasted on filly finally
- Be revolutionary in speculation, losing nothing as a result of that
Buddy explains!

The straight part
We know that "As a result" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case as a result = thereby.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 THEREBY mean?
THEREBY adverb- By it; by that; by that means, or as a consequence of that.