Empathy

Definition: understanding

Synonyms: affinity, appreciation, being on same wavelength, being there for someone, communion, community of interests, compassion, comprehension, concord, insight, rapport, recognition, responsiveness, soul, sympathy, warmth
Notes: empathy denotes a deep emotional understanding of another's feelings or problems, while sympathy is more general and can apply to small annoyances or setbacks

Beats the alternative!
Antonyms: apathy, misunderstanding, unfeelingness