vouch: المعنى والتعريفات

To give personal assurances; give a guarantee: vouch for an old friend's trustworthiness.

To constitute supporting evidence; give substantiation: a candidate whose strong record vouches for her ability.

To substantiate by supplying evidence; prove: charges that he could not vouch.

Law To summon as a witness to give warranty of title.

To refer to (an authority, for example) in support or corroboration; cite.

To assert; declare.

Obsolete A declaration of opinion; an assertion.