Answer: polarised

AnswerCrossword Clue
POLARISEDMade magnetic: Var.
polarisedDivide or cause to divide into two sharply contrasting groups or sets of opinions or beliefs
polarisedPOLARISE, to give polarity to, also POLARIZE
polarisedCause (something) to acquire polarity
polarisedRestrict the vibrations of (a transverse wave, esp. light) wholly or partially to one direction