sensitize

make sensitive or aware

• “He was not sensitized to her emotional needs”

cause to sense; make sensitive

• “She sensitized me with respect to gender differences in this traditional male-dominated society”
• “My tongue became sensitized to good wine”

make sensitive to a drug or allergen

• “Long-term exposure to this medicine may sensitize you to the allergen”

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

• “sensitize the photographic film”