Responded to stimulus
THE ANSWER IS
The answer is REACTED.
Tap reveal when you’re ready—the letters stay hidden until then.
Why it fits
REACTED is the 7-letter answer to “Responded to stimulus” in the January 13, 2024 Lexigo puzzle. Every answer must also trace a connected path across touching hexagons, with each word linking to its neighbors in the chain—so REACTED both satisfies the clue and fits the day’s board.