1. the process of making someone or something sensitive or more sensitive to a particular stimulus or influence
Usage: British spelling; American spelling is ‘sensitization’
2. the process of making someone aware of and responsive to social or political issues
3. an increased reaction to a substance after previous exposure to it
Usage: medical

Examples

• The sensitisation campaign raised awareness about environmental issues.
• Repeated exposure led to sensitisation of the immune system.
• The training program focused on cultural sensitisation for healthcare workers.
• Skin sensitisation can occur after contact with certain chemicals.
• The sensitisation process helped employees understand workplace diversity.
• Medical professionals studied the sensitisation effects of the new drug.
• Community sensitisation programs addressed local health concerns.