The most common and most likely answer to this crossword clue is the 8 letter word ESTHETIC
I've seen this crossword clue in The Times
E
S
T
H
E
T
I
C
Buddy explains!
The straight part
We know that "visually pleasing to Americans" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case visually pleasing to americans = esthetic.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 ESTHETIC mean?
ESTHETIC adjective- Concerned with beauty, artistic impact, or appearance.
- Beautiful or appealing to one's sense of beauty and/or art.