The most common and most likely answer to this crossword clue is the 6 letter word COMELY
I've seen this crossword clue in The Guardian
C
O
M
E
L
Y
More clues leading to the result COMELY
- Arrive, extremely lively and attractive
- Attractive liberal replacing daughter in light entertainment
- Beautiful cheerleader gets distinction! See!
- Pretty evasive about something juicy? That’s not on!
- Pretty modest about me getting first in linguistics
- Pretty funny story after daughter’s become learner driver
Buddy explains!

The straight part
We know that "Beautiful" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case beautiful = comely.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 COMELY mean?
COMELY adjective- (of a person) Pleasing or attractive to the eye.
- Suitable or becoming; proper; agreeable.