act on
/AE1 K T AA1 N/verb
- 1
To act decisively on the basis of information received or deduced.
“The policeman decided to act on the tip from his informant.”
- 2
To take action against something.
“World leaders have repeatedly stated that we must act on climate change.”
- 3
To affect something.
“Different drugs act on different parts of our body in many different ways.”
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