The most common and most likely answer to this crossword clue is the 8 letter word MAJESTIC
I've seen this crossword clue in The Times
M
A
J
E
S
T
I
C
More clues leading to the result MAJESTIC
- A joke drowned by microphone, briefly? Great!
- A joke one Master of Ceremonies pens is magnificent
- Joke with one wearing raincoat like a king?
- Most impressive crack I found in waterproof coat
- August and another month almost fun, nice in the middle
- Scotsman restricts fun one August
- Glorious adult joke captured by microphone
- Grandmother having fun at 99
- Sublime joke not good for charming?
- Royal wine merchants
Buddy explains!

The straight part
We know that "like a king?" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case like a king? = majestic.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 MAJESTIC mean?
MAJESTIC adjective- Having qualities of splendor or royalty.