I. əˈvau̇ch verb
( -ed/-ing/-es )
Etymology: Middle English avouchen, from Middle French avochier to summon, call to one's aid, from Latin advocare — more at advocate
transitive verb
1. obsolete : to appeal to or cite as an authority for a statement
2. : to delare as a matter of fact or as a thing that can be proved : affirm
avouch the contrary
unless Mr. Smith avouches and proves that she changed the spelling — Isabel Paterson
3. : to maintain as just or true : vouch for : guarantee
avouched it for the law of God — John Milton
4. : to acknowledge especially as one's own : accept , confess
thou hast avouched the Lord … to be thy God — Deut 26:17 (Authorized Version)
: take responsibility for
avouch those unjust actions
intransitive verb
archaic : to give guarantee or assurance : vouch
I cannot avouch for her reputation — Daniel Defoe
Synonyms: see assert
II. noun
( -es )
: the act of avouching