The most common and most likely answer to this crossword clue is the 7 letter word UTOPIAN
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More clues leading to the result UTOPIAN
- Idealistic reformer best protected by posh Scotsman
- Ideal cover secured by upper-class Scotsman
- Unrealistic upper-class head boy
- Impractical if fine vessel capsizes, blocking cross-channel one
- Visionary Scot supporting prize university put up
- Unworkable as unionist meets with Scottish foreman?
- Held up in Chennai, Potus is, like, in a dreamy state
- Impractical UN holding up seaworthy vessel
- Perfect university head I paint regularly
- Ideal uniform jacket to put on a Scotsman
Buddy explains!

The straight part
We know that "as befits a wonderful dream" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case as befits a wonderful dream = utopian.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 UTOPIAN mean?
UTOPIAN noun- Someone who supports or heralds the establishment of a utopia.
- Ideal but often impractical; visionary.
- Of or pertaining to or resembling a utopia.