The most common and most likely answer to this crossword clue is the 7 letter word WINDSOR
I've seen this crossword clue in The Times
W
I
N
D
S
O
R
More clues leading to the result WINDSOR
- Turns round outside of our royal castle
- Twists otherwise making a type of knot?
- Snakes, a golden colour, in Berks town
- Earn medal, right royal!
- Earn an award, given by queen in royal residence
- House in downs I refurbished? Right
- House in pain detailed on air
- House turned gold
- House rakes in the chips, or admits defeat, primarily
- Twists otter heartlessly to make a knot
Buddy explains!

The straight part
We know that "royal!" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case royal! = windsor.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.