vouch
1. [ verb ] (law) give personal assurance; guarantee
Examples:

"Will he vouch for me?"

Related terms: testify verifier
2. [ verb ] summon (a vouchee) into court to warrant or defend a title
Related terms: summon vouchee
3. [ verb ] give surety or assume responsibility
Synonyms: guarantee
Examples:

"I vouch for the quality of my products"

Related terms: pledge secure stipulate bail guarantee verifier
4. [ verb ] give supporting evidence
Examples:

"He vouched his words by his deeds"

Related terms: confirm substantiate
Similar spelling:   vouchee
  voice
  vogue
  vox
  Vos