ennoble
Concise Oxford English Dictionary © 2008 Oxford University Press:
ennoble/ɪˈnəʊbl/
▶verb give a noble rank or title to.
■ give greater dignity to; elevate.
– derivatives
ennoblement noun.
ennoblement noun.
– origin C15: from Fr. ennoblir.
'ennoble' also found in these Oxford entries:

