The most common and most likely answer to this crossword clue is the 6 letter word STUART
I've seen this crossword clue in The Guardian
S
T
U
A
R
T
More clues leading to the result STUART
- Royal house for all to see in shoot
- Begin cladding front of ugly house
- A trust set up by the royal family
- Beginning to tour upper-class house
- Foolishly trust a royal house
- Union leader interrupts opening of
- House that used to lead university during commencement
- Words of rebuke around about a king — beheaded one, maybe?
- Three successive characters painting house
- One of several monarchs providing university in beginning
Buddy explains!
The straight part
We know that "royal house /(6)" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case royal house /(6) = stuart.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.