ennoblement

noun

induction of an individual into the noble class

L320146 on Wikidata ↗

Wiktionary

noun

Etymology: Etymology tree English ennoble Proto-Indo-European *-mn̥ Proto-Indo-European *-mn̥tom Proto-Italic *-mentom Latin -mentum Old French -mentbor. Middle English -ment English -ment English ennoblement From ennoble + -ment.

The state of being noble
The act of ennobling or something which ennobles