,| 1. | to support as being true, certain, reliable, etc. (usually fol. by for): Her record in office vouches for her integrity. |
| 2. | to attest; guarantee; certify (usually fol. by for): to vouch for someone in a business transaction. |
| 3. | to sustain or uphold by, or as if by, practical proof or demonstration. |
| 4. | (formerly) to call or summon (a person) into court to make good a warranty of title. |
| 5. | to adduce or quote in support, as extracts from a book or author; cite in warrant or justification, as authority, instances, facts, etc. |
| 6. | Archaic. to warrant or attest; to support or authenticate with vouchers. |
| 7. | Archaic. to declare as with warrant; vouch for. |
| 8. | Obsolete. to call or take as a witness. |
| 9. | a vouching; an assertion. |
| 10. | a formal attestation; a supporting warrant. |