Crossword Clue:

to cause to become unfriendly or hostile

AnswerCrossword Clue
INURECause to become used to.
ENURECause to become hardened to
ENURECause to become hardened to (var.)
MINIVANISHWord that could mean "become too small to see" or "similar to a family vehicle"
INOCULATEWork to cause disease, or work to ward off disease