It was 'noble' of her to come forward with this information.
She married a man of 'noble' [='aristocratic'] birth/rank.
a 'noble' ideal/ambition/cause/purpose
(..) SERENA: Mm. MARCUS: Oh.... So that's what death tastes like. You're doing something very noble. MARCUS: No, I'm guilty. Just cut me up until there's nothing left. PRIEST: Yea, though I walk through (..)2009 Terminator Salvation
(..) ...one last time. You should have stayed in San Francisco, Dr. Kogan. By signing this consent form... ...you'd be donating your body to a noble cause. You'd... ...have a second chance, through my research, to live again. You know what I did. My brother and two cops are dead (..)2009 Terminator Salvation