Dic: sensitivity (its regular meaning)

1. [understanding people] the ability to understand other people's feelings and problems

• His comments show a lack of sensitivity. 
• Interviewing victims of crime must be done with sensitivity.
• a teacher with great sensitivity 
• [sensitivity to] She has always shown a sensitivity to audience needs and tastes.

...... LDOCE

■ sensitive:

If you are sensitive to other people's needs, problems, or feelings, you show understanding and awareness of them.

• The classroom teacher must be sensitive to a child's needs...
• He was always so sensitive and caring.

sensitively: ADV.

• The abuse of women needs to be treated seriously and sensitively.

sensitivity: N-UNCOUNT. oft N for n.

• A good relationship involves concern and sensitivity for each other's feelings.

... COBUILD