verb · formal
certify
UK/ˈsɜːtɪfaɪ/US/ˈsɜːrtɪfaɪ/CER·ti·fy
Band 6-7task1task2speaking
to officially state that something is true or meets a standard
Examples
“The mechanic certified the car as roadworthy.”
“You must be certified to teach in that country.”
“The lab certified that the water was safe to drink.”
Band 8 sentence
“An independent body must certify the research methodology before publication to ensure impartiality.”
Collocations
- certify someone as
- certify a document
- be certified
Word family
certify verbcertification nouncertified adjective
Common mistakes
He is certified a good worker.→He is certified as a good worker.
Say it for a higher band
5prove→6confirm→7+certify
Synonyms
confirm
attest
Easily confused
confirm
“Please confirm your attendance by Friday.”
Related words
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In -ify
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