[vouch] vb [ME vochen, vouchen, fr. MF vocher, fr. L vocare to call, summon, fr. vox voice--more at voice] vt (14c) 1: to summon into court to warrant or defend a title
2. archaic a: assert, affirm b: attest 3 archaic: to cite or refer to as authority or supporting evidence
4. a: prove, substantiate b: to verify (a business transaction) by examining documentary evidence ~ vi 1: to give a guarantee: become surety
2. a: to supply supporting evidence or testimony b: to give personal assurance syn see certify
[2]vouch n (1603) obs: allegation, declaration