modernization

US /ˌmɑː.dɚ.nəˈzeɪ.ʃən/
UK /ˌmɑː.dɚ.nəˈzeɪ.ʃən/
1.

modernizacja

the act of making something more modern:

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The modernization of the 100-year-old sewage and water systems will cost millions of dollars.
:
modernmodernismmodern slaverymodern dance