Synonyms of 'make sure'
▷ See sure
checkDictionary, ensure, confirmBefore you cut the cloth, make sure the pattern matches up.
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If something confirms what you believe, suspect, or fear, it shows that it is definitely true.
This confirms what I suspected all along.
Steps must be taken to ensure this never happens again.
Thesaurus for make sure from the Collins English Thesaurus
If you make sure that something is done, you take action so that it is done.