understanding — mental process of a person who comprehends; comprehension; personal interpretation: My understanding of the word does not agree with yours.
compassionate — If you describe someone or something as compassionate, you mean that they feel or show pity, sympathy, and understanding for people who are suffering.
empathetic — Showing empathy for others, and recognizing their feelings etc; empathic.
feeling — a quality of an object that is perceived by feeling or touching: the soft feel of cotton.
sensitive — endowed with sensation; having perception through the senses.
sympathetic — characterized by, proceeding from, exhibiting, or feeling sympathy; sympathizing; compassionate: a sympathetic listener.