The most common and most likely answer to this crossword clue is the 12 letter word TRANSCENDENT
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More clues leading to the result TRANSCENDENT
- Sublime climb across middle of liner in river
- Sublime time passed with finish in Cologne?
- Fantastic new skill flipping nose holding tip
- Excellent time raced before finish in track
- Go up around edge of mountain with river all round — it’s somehow divine
- Sublime rapture taking seconds, then new depression
- Sublime time sprinted before finish in track
- Supreme Tory leader led downfall, in essence
- Sublime climb around noon in river
Buddy explains!

The straight part
We know that "Fantastic" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case fantastic = transcendent.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 TRANSCENDENT mean?
TRANSCENDENT noun- That which surpasses or is supereminent; something excellent.
- Surpassing usual limits
- Supreme in excellence
- Beyond the range of usual perception
- Free from constraints of the material world