corroborative

Presently he saw that some corroborative evidence might exist.

But nevertheless we should require some corroborative document.

The testimony of this gentleman is corroborative of that already presented.

That the body was found without weight is also corroborative of the idea.

That was another and corroborative sign, clearer to him than printed capitals.

Is there any corroborative evidence that such a register existed?

Mr. Chairman, the only evidence I can give is corroborative.

Corroborative testimony was furnished by Mr. Leishman and others.

Valueless as direct evidence, it might prove of great value as corroborative.

There are other corroborative instances of a similar nature.