vouch
verb(vouch)
give surety or assume responsibility
Examples:
I vouch for the quality of my products.
vouch
verb(vouch)
give personal assurance; guarantee
Examples:
Will he vouch for me?.
vouch
verb(vouch)
give supporting evidence
Examples:
He vouched his words by his deeds.
vouch
verb(vouch)
summon (a vouchee) into court to warrant or defend a title