tr.v. en·no·bled, en·no·bling, en·no·bles
1. To make noble: "that chastity of honor ... which ennobled whatever it touched, and under which vice itself lost half its evil" (Edmund Burke).
2. To confer nobility upon: ennoble a prime minister for distinguished service.
[Middle English *ennoblen, from Old French ennoblir : en-, causative pref.; see EN-1 + noble, noble; see NOBLE.]
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2018 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
The American Heritage Dictionary Blog
Check out our blog, updated regularly, for new words and revised definitions, interesting images from the 5th edition, discussions of usage, and more.