What is the difference between 'attest' and 'attest to'? When should we use the phrase attest to and when should attest be used?

1 Answer 1


I think you are asking for the difference between the transitive verb ("attest" or "attest that") and the intransitive verb ("attest to")

I attest that this court transcript is complete and unaltered.

means "I promise (in a legally binding sense) that this court transcript ..."

I can attest to his honesty and good character.

means "I have a substantial history of witnessing his honesty and good character."

See the two definitions of "attest"

Transitive verb (definition 1)

to affirm to be true or genuine; specifically to authenticate by signing as a witness to authenticate officially

Intransitive verb

to bear witness

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