Definition of "modernise"

modernise

verb
third-person singular simple present modernises, present participle modernising, simple past and past participle modernised
1. (British spelling) Alternative spelling of modernize
  Quotations
  The principal locomotive workshops now in use are those of the former Rhymney Railway at Caerphilly, modernised and re-equipped to meet the requirements of the new regime.
  1939 September, D. S. Barrie, “The Railways of South Wales”, in Railway Magazine, pages 159, 161
  The same applies to the toilets. Simply the ability to remove those labels that read "do not flush while the train is at a station" (a sticker that dates a train as 'old') modernises them no end.
  2019 October 23, Pip Dunn, “The next king of Scotland”, in Rail, page 50