Definition of "Sensitize" :

verb: make sensitive or aware

"He was not sensitized to her emotional needs."

verb: make (a material) sensitive to light, often of a particular colour, by coating it with a photographic emulsion

"Sensitize the photographic film."

verb: make sensitive to a drug or allergen

"Long-term exposure to this medicine may sensitize you to the allergen."

verb: cause to sense; make sensitive

"She sensitized me with respect to gender differences in this traditional male-dominated society."