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"summit" is also used as a crossword clue. If that's what you saw, the answer is often top (3 letters).
Definitions
reach the summit (of a mountain)
Used in a sentence
“In summer, it is possible to hike to the summit of Mount Shasta.”
“Learning from others as from himself, he reached the summit of his development with his latest work.”
“They met for an international summit on environmental issues.”
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer1 curated clues
01“High-level meeting”6 letters
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