vouch for

1.
Globalneutralinformal
- To assert or guarantee the reliability, honesty, or good character of a person.
- To state confidently that someone will behave as claimed or that they are trustworthy.
2.
Globalneutralformal
- To confirm or attest to the truth, accuracy, or validity of a statement, record, or piece of information.
3.
USUKCommonwealthformallegal
- To act as a surety or guarantor for another person, accepting legal or financial responsibility on their behalf.

Examples: