confirm one's belief
confirm one's conviction

His next words confirmed her conviction that this was troubling his mind.

It might help to confirm my already settled conviction, if it did not elicit any new evidence.

The budget summit agreement confirms my conviction that these annual bipartisan love-ins aren't the cure - they're the cancer.

On April 20, 2011, the supreme court overturned the high court acquittal and confirmed the lower court's conviction.

This experience has confirmed my longstanding conviction that environmental and energy objectives can be made mutually compatible.

That confirmed his slowly growing conviction that Goya had reached top point again.

Thus when both the word of scripture and our own immediate experience coincide, it becomes the highest criterion confirming our conviction.

"The decision confirms my conviction that we have a long way ahead of us before investor confidence returns," she said in a radio address.

The 18 paintings here confirm her conviction, in a show as deep, light-glinting, restless and purposeful as the river flowing nearby.

The dialogue experiments confirmed his long-standing conviction that the universal appeal of the Tramp would be lost if the character ever spoke on screen.