The most common and most likely answer to this crossword clue is the 7 letter word SWEETER
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More clues leading to the result SWEETER
Buddy explains!

The straight part
We know that "so pleasant, in comparison" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case so pleasant, in comparison = sweeter.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 SWEETER mean?
SWEETER adjective- Having a pleasant taste, especially one relating to the basic taste sensation induced by sugar.
- Having a taste of sugar.
- Retaining a portion of sugar.
- Not having a salty taste.
- Having a pleasant smell.
- Not decaying, fermented, rancid, sour, spoiled, or stale.
- Having a pleasant sound.
- Having a pleasing disposition.
- Having a helpful disposition.
- Free from excessive unwanted substances like acid or sulphur.
- Very pleasing; agreeable.
- Doing well; in a good or happy position.
- (followed by on) Romantically fixated, enamoured with, fond of
- Fresh; not salt or brackish.
- Pleasing to the eye; beautiful; mild and attractive; fair.