WordWeb Online

1. Give personal assurance; guarantee
   "Will he vouch for me?"
    
2. Give surety or assume responsibility
   "I vouch for the quality of my products";
   - guarantee
    
3. Summon (a vouchee) into court to warrant or defend a title
    
4. Give supporting evidence
   "He vouched his words by his deeds"

Derived forms: vouches, vouching, vouched

Type of: affirm, attest, bear witness, cite, confirm, corroborate, pledge, plight [archaic], substantiate, summon, summons, support, sustain, take the stand, testify, witness

Encyclopedia: Vouch