Synonym: answer, respond. Similar words: react to, reaction, reach, preach, reach out, take action, each, teach. Meaning: [rɪ'ækt] 
v. 1. show a response or a reaction to something 2. undergo a chemical reaction; react with another substance under certain conditions 3. act against or in opposition to.
v. 1. show a response or a reaction to something 2. undergo a chemical reaction; react with another substance under certain conditions 3. act against or in opposition to. 
Random good picture Not show
1, How did Wilson react to your idea?
2, I nudged her but she didn't react.
3, Pinch me and I will react.
4, Our eye react s to light.
5, I shouted at her,but she didn't react at all.
6, You never know how he is going to react.
7, I'm not sure how he's going to react to the news.
8, By gravitation the sun and planets act and react upon one another.
9, The police must be able to react swiftly in an emergency.
10, How did your mother react to the news? She reacted by getting very angry.
11, I watched to see how he'd react.
12, Will the people ever react against this dictator?
13, Nations react strongly to unauthorized overflights.
14, Sodium and water react .
15, He was curious about how she would react.
16, There's no telling how they'll react.
17, I want to see how they'll react.
18, I was curious about how she would react.
19, You never know how she'll react: she's so unpredictable.
20, You have to react quickly to circumstances.
21, She didn't look up or react in any way.
22, It's hard to predict how a jury will react.
23, They are puzzled what to do next/how to react.
24, There's no knowing how he'll react.
25, How did they react when they learned the news?
26, There's absolutely no knowing how he'll react.
27, How did he react to your suggestion?
28, She has not indicated how she proposes to react.
29, People can react badly to certain food additives.
30, She slapped him and called him names,(http://sentencedict.com/react.html) but he didn't react.
More similar words: react to, reaction, reach, preach, reach out, take action, each, teach, beach, teacher, each other, at peace, the accused, each time, bleaching, come across, take a chance, make peace with, fact, exact, actor, facto, act for, enact, act out, act on, area, intact, impact, tactic.