The most common and most likely answer to this crossword clue is the 9 letter word AWAKENING
I've seen this crossword clue in The Times
A
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More clues leading to the result AWAKENING
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The straight part
We know that "Coming to" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case coming to = awakening.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 AWAKENING mean?
AWAKENING verb- To cause to become awake.
- To stop sleeping; awake.
- To bring into action (something previously dormant); to stimulate.
- To call to a sense of sin.
- The act of awaking, or ceasing to sleep.
- A revival of religion, or more general attention to religious matters than usual.
- Being roused into action or activity.
- Rousing from sleep, in a natural or a figurative sense; rousing into activity; exciting