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The Collaborative International Dictionary
initialise

initialise \initialise\ v. t. initialize. [Chiefly Brit.]

Wiktionary
initialise

vb. (standard spelling of from=non-Oxford British spelling initialize English)

WordNet
initialise
  1. v. assign an initial value to a computer program [syn: initialize]

  2. divide (a disk) into marked sectors so that it may store data; "Please format this disk before entering data!" [syn: format, initialize]