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"oversee" is also used as a crossword clue. If that's what you saw, the answer is often supervise (9 letters).
Definitions
Watch, direct, or supervise a task or group.
Word origin
From Middle English overseen, ouverseen, from Old English ofersēon (“to observe, oversee; to overlook, neglect”), equivalent to over- + see.
Used in a sentence
“It is congress's duty to oversee the spending of federal funds.”
“And overseeing them all, like a raddled old good-ish fairy, is Bill Nighy, playing a superannuated rocker hoping to get a Christmas number one with his cynically repackaged version of Love Is All Around.”
“Based at BTP's London headquarters, Russell's team of three full-timers in the drone unit are responsible for overseeing the safety of drones in support of police officers.”
Source: Wiktionary, CC BY-SA 4.0
Used as a crossword answer1 curated clues
01“Supervise closely”7 letters
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