reacted; reacting; reacts
Definition of react
1
: to exert a reciprocal or counteracting force or influence
—often used with on or upon
2
: to change in response to a stimulus
3
: to act in opposition to a force or influence
—usually used with against
4
: to move or tend in a reverse direction
5
: to undergo chemical reaction
: to cause to react
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Merriam-Webster unabridged
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Time Traveler for react
The first known use of react was in 1644
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