The most common and most likely answer to this crossword clue is the 7 letter word ISLANDS
I've seen this crossword clue in Independent
I
S
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A
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S
More clues leading to the result ISLANDS
- Scottish girl’s crossing North Dakota – and Hawaii, say?
- At first, not doing splendidly for ‘Months in Islam’: ‘… Christmas, Easter etc?’
- Compiler starts to seem lonely at notable days, such as Christmas and Easter
- One son comes down for Christmas and Easter, perhaps
- For example, Channel traffic might precede them
- International Space Station captures terra firma and terrestrial forms like Midway, Hawaii and Japan
- One casts aspersions on Queen departing Great Britain and Ireland?
- Archipelagos where one finds beaches surrounding a little lagoon
- The author, without hesitation, defames Victoria and Prince Edward
Buddy explains!

The straight part
We know that "Christmas and Easter, perhaps" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case christmas and easter, perhaps = islands.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 ISLANDS mean?
ISLANDS noun- A contiguous area of land, smaller than a continent, totally surrounded by water.
- An entity surrounded by other entities that are very different from itself.
- A superstructure on an aircraft carrier's deck.
- A traffic island.
- An unincorporated area wholly surrounded by one or more incorporated areas.
- (grammar) A phrase from which a wh-word cannot be extracted without yielding invalid grammar.
- To surround with water; make into an island.
- To set, dot (as if) with islands.
- To isolate.