lend credence to something formal
lend weight to something
lend credibility to something

The ads lend credibility to women's sports, but I think it will be even greater when we can stand on our own.

Journalists may lend credibility to the movies, but do they get it back?

The state is lending only credibility to the city, not money.

The change came when those on the committee said they preferred to be known and identification would lend credibility to the award.

"This report lends credibility to the problem and gives us an agenda to follow."

"I could lend authority and credibility to your questions."

He signed a $2.75 million contact, and lent instant credibility to the new league.

It is therefore time to take internal action in order to lend credibility to our external efforts.

That is what will lend credibility to the whole thing.

His role seemed to lend credibility to a claim for which the company provided no evidence.