See here, the meanings of the word certainly, as video and text.
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certainly (adverb)
In a way which is certain; with certainty.
certainly (adverb)
Without doubt, surely.
The accident was certainly caused by human error.
That was certainly sweet of him.
You may certainly join us for dinner.
certainly (adverb)
An emphatic affirmative answer; of course.
Would you like it with ice? Certainly, and with lemon please.
Reference:
certainly
January 24, 2019
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