[{"Bold_text": "verb (used without object)", "List Items": ["to act in response to an agent or influence:How did the audience react to the speech?", "to act reciprocally upon each other, as two things.", "to act in a reverse direction or manner, especially so as to return to a prior condition.", "to act in opposition, as against some force.", "to respond to a stimulus in a particular manner:reacting to a shock by jumping; to react to the word “coward” with anger.", "to undergo a chemical reaction ."]}]