Synonyms in Detail: attest and certify Usage & Differences

What context can I use each word in?

Learn when and how to use these words with these examples!

attest

Example

The documents attest to the authenticity of the artwork. [attest: verb]

Example

I can attest that he is a reliable and trustworthy person. [attest: verb]

certify

Example

The doctor will certify that you are fit to participate in the race. [certify: verb]

Example

This product has been certified as safe for consumer use. [certified: adjective]

Good things to know

Which word is more common?

Certify is more commonly used than attest in official or professional contexts. Certify is often used when there is a need for an official document or statement to verify a fact or qualification. Attest, while less common, can be used in a broader range of contexts, including personal experiences or observations.

What’s the difference in the tone of formality between attest and certify?

While both attest and certify can be used in formal contexts, certify is generally associated with a higher level of formality due to its official connotations and the issuance of official documents or statements.

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