1.of or relating to the sympathetic nervous system;
sympathetic neurons
2.expressing or feeling or resulting from sympathy or compassion or friendly fellow feelings; disposed toward;
sympathetic to the students' cause
3.having similar disposition and tastes;
a compatible married couple
4.showing or motivated by sympathy and understanding and generosity;
was charitable in his opinions of others
5.(of characters in literature or drama) evoking empathic or sympathetic feelings;
the sympathetic characters in the play
6.relating to vibrations that occur as a result of vibrations in a nearby body;
sympathetic vibration