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re·ac·tion

reaction

 
 
pronunciation:
ri aek shn
features:
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part of speech: noun
definition: an action or response to something that has happened or has been done.
My reaction to getting straight A's on my report card was to jump and shout.
synonyms:
response
similar words:
reply, rise
derivations: reactional (adj.), reactionally (adv.)
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Word Parts  About this feature
The word reaction contains the following parts:
-ion Latin noun-forming suffix that means the act, process, or result of
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The suffix -ion attaches to bases that are Latin verb stems ending in s or t.