vouch for

I can’t vouch for the factuality of that, but it resonates, as the emotion here is triumph.

He asked if Falconer would agree to talk to the Pakistani government to vouch for Sara’s siblings' safety or to facilitate their return to the UK.

“Who wouldn’t want to buy something from a friend or a neighbor saying, ‘Hey, I vouch for this.

She said that in a war zone “I can’t say everything goes right all the time,” but emphasised: “I can vouch for the integrity of the operations of our colleagues.”

Strathclyde Theatre Group can vouch for that.