The most common and most likely answer to this crossword clue is the 15 letter word RECONSIDERATION
I've seen this crossword clue in The Daily Telegraph
R
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More clues leading to the result RECONSIDERATION
- Review fee for Bible class?
- One’s cried out, helping review
- Further reflection about thinking of others
- One’s doctrinaire, awkward? Fresh thinking required
- Fresh thought about helping to restrict opposing team
- Second thoughts about Tory party and dole
- Reason direction changes?
- Thinking again of a sonnet I record with independent bent
Buddy explains!

The straight part
We know that "Fresh thought" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case fresh thought = reconsideration.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 RECONSIDERATION mean?
RECONSIDERATION noun- The act of reconsidering or something reconsidered