1 : existing or operating through an affinity, interdependence, or mutual association

2 a : appropriate to one's mood, inclinations, or disposition b : marked by kindly or pleased appreciation

3 : given to, marked by, or arising from sympathy, compassion, friendliness, and sensitivity to others' emotions

4 : favorably inclined : approving

5 a : showing empathy b : arousing sympathy or compassion

6 a : of or relating to the sympathetic nervous system b : mediated by or acting on the sympathetic nerves

7 : relating to musical tones produced by sympathetic vibration or to strings so tuned as to sound by sympathetic vibration