Meanings
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1
verb
To tell someone something confidently so they feel less worried.
I assured them that traveling there was safe.
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2
verb
To promise that something will definitely happen.
They assured me they would be at the meeting.
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3
verb
To make something certain or secure.
Careful planning helped assure the success of the event.
Thesaurus
Etymology
From Old French asseurer (Modern French assurer), from Latin ad- + securus (“secure”). Cognate with Spanish asegurar. Doublet of assecure.
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