definition of
vouch

[1] #1 vouch v. give personal assurance; guarantee; "Will he vouch for me?". wn

[2] #2 vouch v. [guarantee] give surety or assume responsibility; "I vouch for the quality of my products". wn

[3] #3 vouch v. summon (a vouchee) into court to warrant or defend a title. wn

[4] #4 vouch v. give supporting evidence; "He vouched his words by his deeds". wn