The most common and most likely answer to this crossword clue is the 8 letter word RADIANCE
I've seen this crossword clue in Financial Times
R
A
D
I
A
N
C
E
More clues leading to the result RADIANCE
- Brilliance of girl shown endlessly in competition
- Dina runs in 200m event perhaps shining
- Joy of artist, one captivated by spring
- Beauty drunk and I found in people
- Glowing quality of artist can die out
- Light playing in arcade
- Light in arcade flickering
- Artist steps around one for light
- Organised church’s ringing support raised rapture
- Artist on ball capturing single light
Buddy explains!
The straight part
We know that "Joy" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case joy = radiance.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 RADIANCE mean?
RADIANCE noun- The quality of being radiant, shining, bright or splendid.
- The flux of radiation emitted per unit solid angle in a given direction by a unit area of a source.