act on
Britishverb
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to regulate one's behaviour in accordance with (advice, information, etc)
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to have an effect on (illness, a part of the body, etc)
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Also, act upon . Conduct oneself in accordance with or as a result of information or another action, as in I will act on my lawyer's advice , or The manager refused to act upon the hotel guest's complaints . [c. 1800]
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Influence or affect, as in The baby's fussing acted on the sitter's nerves . [c. 1800]
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
“The moment creates a major buying opportunity for those disciplined enough to act on it.”
From Barron's
“The moment creates a major buying opportunity for those disciplined enough to act on it.”
From Barron's
Plaid Cymru said Wales must be "aware and alert" to public health threats and urged the government and NHS to adapt quickly and act on scientific evidence.
From BBC
If buy signals are confirmed, we will act on them, but we would prefer to see a positive change in the construct of volatility derivatives before doing anything too aggressive on the long side.
From MarketWatch
In its 2025 management-proxy circular, the company said six of the seven members of its executive committee are bilingual, and Rousseau “has continued to act on his personal pledge to learn French.”
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.