1. To feel or express sympathy or compassion
   "sympathize with him, he knew that she herself would not care";
   - commiserate, sympathise [Brit]
    
2. Share the feelings of; understand the sentiments of
   "I sympathize with your loss";
   - sympathise [Brit]
    
3. Be understanding of
   "You don't need to explain—I sympathize!";
   - sympathise [Brit], empathize, empathise [Brit], understand

Derived forms: sympathized, sympathizes, sympathizing

Type of: compassionate [N. Amer, rare], condole with, experience, feel, feel for, pity, sympathize with

Encyclopedia: Sympathize