Is this your crossword clue?
"understand" is also used as a crossword clue. If that's what you saw, the answer is often know (4 letters).
Definitions
Grasp the meaning of
Used in a sentence
“Can you repeat what you just said? I didn't understand.”
“In reading this book, be very certain you never go past a word you do not fully understand.”
“Swearing doesn't just mean what we now understand by "dirty words". It is entwined, in social and linguistic history, with the other sort of swearing: vows and oaths.”
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer1 curated clues
01“Grasp the meaning”10 letters
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