reacts

/R IY0 AE1 K T S/
noun
  1. 1

    An emoji used to express a reaction to a post on social media.

    โ€œSad reacts onlyโ€

verb
  1. 1

    To act or perform a second time; to do over again; to reenact.

  2. 2

    To return an impulse or impression; to resist the action of another body by an opposite force

    โ€œEvery body reacts on the body that impels it from its natural state.โ€

  3. 3

    To act upon each other; to exercise a reciprocal or a reverse effect, as two or more chemical agents; to act in opposition.

  4. 4

    To cause chemical agents to react; to cause one chemical agent to react with another.

Source: https://en.wiktionary.org/wiki/react, https://en.wiktionary.org/wiki/reacts