IPA: /ˈmɒdənaɪz/
KK: /ˈmɒd.ə.naɪz/
To make something more current or up to date, often by adding new features or improving its design.
The city plans to modernise its public transportation system to better serve residents.
Past: modernised
Past Participle: modernised
Modernise → It is formed from "modern" (from Latin *modernus*, meaning of the present time) and "-ise" (a suffix used to form verbs indicating to make or to become). The word "modernise" means to make something modern or to bring it up to date.
Think of 'modern' as relating to the present time, and remember that 'modernise' means to make something current or up to date.