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. 
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31, Many young people react against traditional values.
32, There's no saying how he'll react.
33, How do acids react on metals?
34, Quite a lot of children react badly to antibiotics.
35, It just goes to show you can't always tell how people are going to react.
36, When an acid and an alkali react together the result is a salt and water.
37, The working class usually react/reacts in a predictable way to government policies.
38, When the sun comes out, the flowers react by opening.
39, He didn't have the faintest idea how the others would react.
40, I mean to say, you should have known how he would react!
41, Someone allergic to milk is likely to react to cheese.
42, When you've been around a person long enough, you start to know how they'll react.
43, Some kinds of acids react on metals to cause chemical changes.
44, An acid can react with a base to form a salt.
45, It's natural to react with disbelief if your child is accused of bullying.
46, He could react rather jealously when and if another child comes on the scene.
47, We have no means of knowing how they will react.
48, He's in a funny mood today?who knows how he'll react?
49, He did not know how to react to her sudden mood swings.
50, There'd be no telling how John would react to such news as this.
51, Americans would probably react differently to the war if it was in their own back yard.
52, At this age(sentencedict.com), the infant begins to react more to visual stimuli.
53, People don't know how to react when a question like that comes at them out of left field.
54, Peonies react badly to being moved and are best left undisturbed.
55, I honestly don't know how I will react the next time I meet a potentially dangerous situation.
56, But the country has been slow to react to the "greening" of the rest of Europe.
57, They will react with hostility to the price rises and calls for equivalent wage increases are bound to be heard.
58, She's very unpredictable so there's no knowing how she'll react to the news.
59, Under normal circumstances, these two gases react readily to produce carbon dioxide and water.
60, The rise of the charges for water and electricity will react on living expenses.
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.