Her parents' attitude only 'confirmed' [='strengthened, reinforced'] her resolve to get her own apartment.
The award 'confirmed' her status as one of the great movie actresses.
She was 'confirmed in' her determination to get a higher-paying job.
(..) We are not gonna die! Both of you will get a grip. Or so help me I will ground you for a month! Understand? We have a confirmed hit. Target was destroyed. Ah, you'll get over it. I seem to recall you prefer to "work alone". Release me. Now! (..)2004 The Incredibles