Verb fantasise has 2 senses
  1. fantasize, fantasise - indulge in fantasies; "he is fantasizing when he says he plans to start his own company"
    --1 is one way to imagine, conceive of, ideate, envisage
    Sample sentences:
    Somebody ----s
    Somebody ----s PP
    Somebody ----s that CLAUSE
  2. fantasize, fantasise - portray in the mind; "he is fantasizing the ideal wife"
    --2 is one way to imagine, conceive of, ideate, envisage
    Sample sentence:
    Somebody ----s something
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