Definition of "reacts" []

• Third-person singular simple present indicative form of react. (verb)

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• "Then, by bringing mindful awareness to how your brain reacts to feeling threatened, you can stimulate and therefore build up the neural substrates of a mind that has more calm, wisdom and sense of inner strength."
• "So basing your design on how you, the computer scientist, thinks/acts/reacts is faulty."
• "Next step is to watch how Sarah Palin reacts to a piece of legislation she'll never read to see what "bogey men" she can find/create this time and then watch the White House hang her from her own petard in the process for all to see."