The most common and most likely answer to this crossword clue is the 9 letter word MILESTONE
I've seen this crossword clue in The Daily Telegraph
M
I
L
E
S
T
O
N
E
More clues leading to the result MILESTONE
- Times cryptic has bagged large one
- Newcastle far away? Block saying how far
- This event is significant and exciting – so let me in!
- See preamble
- Important event and men lose it, getting drunk
- Marker is only beyond motorway, in case
- First car perhaps, in length and weight
- Excitedly let some in for a momentous occasion
- One small item left abandoned — a common roadside sight
Buddy explains!
The straight part
We know that "Important event" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case important event = milestone.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 MILESTONE mean?
MILESTONE noun- A stone milepost (or by extension in other materials), one of a series of numbered markers placed along a road at regular intervals, typically at the side of the road or in a median.
- An important event in a person's life or career, in the history of a nation, in the life of some project, etc.
- To place milestones along (a road, etc.).
- To plan out a project as a series of major steps.