/ ɪˈnəʊbl; NAmE ɪˈnoʊbl/ verb [ vn ] ( formal )
1.
[ usually passive ] to make sb a member of the nobility
2.
to give sb/sth a better moral character :
In a strange way she seemed ennobled by her grief.
► en·noble·ment noun [ U ]
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WORD ORIGIN
late 15th cent. (formerly also as innoble ): from French ennoblir , from en- (expressing a change of state) + noble noble.