The most common and most likely answer to this crossword clue is the 8 letter word STANDING
I've seen this crossword clue in Financial Times
S
T
A
N
D
I
N
G
More clues leading to the result STANDING
- Substitute with good reputation
- Understudy with good reputation
- Deputy required for jilted bride? There's space for late arrivals
- Position in forest and in garden
- Putting up with not having a seat?
- Substitute with good reputation
- Deputy has key right to sue
- Bearing up
- Fixed wound, with being inside
- No seats here in second coach
Buddy explains!

The straight part
We know that "right to sue" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case right to sue = standing.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 STANDING mean?
STANDING verb- (heading) To position or be positioned physically.
- (heading) To position or be positioned mentally.
- (heading) To position or be positioned socially.
- Of a ship or its captain, to steer, sail (in a specified direction, for a specified destination etc.).
- To remain without ruin or injury.
- To stop asking for more cards; to keep one's hand as it has been dealt so far.
- Erect, not cut down.
- Performed from an erect position.
- Remaining in force or status.
- Stagnant; not moving or flowing.
- Not transitory; not liable to fade or vanish; lasting.
- Not movable; fixed.
- Position or reputation in society or a profession.
- Duration.
- The act of a person who stands, or a place where someone stands.
- The position of a team in a league or of a player in a list.
- Room in which to park a vehicle or vehicles
- The right of a party to bring a legal action, based on the relationship between that party and the matter to which the action relates.