from The American Heritage® Dictionary of the English Language, 4th Edition
- n. The process of bringing an institution or organization up to date; modernization.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A bringing up to date, especially of the Roman Catholic Church by the Second Vatican Council of 1962-65; modernization.
Italian, from aggiornare, to update : a-, to (from Latin ad-; see ad-) + giorno, day (from Latin diurnus, daily; see diurnal).(American Heritage® Dictionary of the English Language, Fourth Edition)
Borrowed from Italian aggiornamento. (Wiktionary)