Definition of "energise"

energise

verb
third-person singular simple present energises, present participle energising, simple past and past participle energised
1. (British spelling) Alternative form of energize
  Quotations
  The 13-mile section from Tring to Watford, on which work is further ahead than elsewhere south of Rugby, is likely to be energised for crew training in advance of the Rugby-Euston extension; a Crewe-Liverpool multiple-unit set is already at Stonebridge Park depot ready for use on this work.
  1963 December, “News and Comment:Catenary energised to Lichfield”, in Modern Railways, page 368