sympathize

American Heritage® Dictionary of the English Language, Fourth Edition

1. v. To feel or express compassion, as for another's suffering; commiserate.
2. v. To share or understand the feelings or ideas of another: sympathized with the goals of the committee.
3. v. To be in accord; correspond.

Century Dictionary and Cyclopedia

1. To have or exhibit sympathy; be affected as a result of the affection of some one or something else. Specifically— To share a feeling, as of bodily pleasure or pain, with another; feel with another.
2. To feel in consequence of what another feels; be affected by feelings similar to those of another, commonly in consequence of knowing the other to be thus affected.
3. To be affected sympathetically; respond sympathetically to external influences of any kind.
4. To agree; flt; harmonize.
5. To express sympathy; condole.
6. To be of like nature or disposition; resemble.
7. To have sympathy for; share in; participate in.
8. To form with suitable adaptation; contrive with congruity or consistency of parts; match in all the concomitants of; harmonize in all the parts of.
9. Also spelled sympathise.

Wiktionary

1. v. To show deep sympathy towards someone or something.

GNU Webster's 1913

1. v. To have a common feeling, as of bodily pleasure or pain.
2. v. To feel in consequence of what another feels; to be affected by feelings similar to those of another, in consequence of knowing the person to be thus affected.
3. v. To agree; to be in accord; to harmonize.
4. v. obsolete To experience together.
5. v. obsolete To ansew to; to correspond to.

WordNet 3.0

1. v. to feel or express sympathy or compassion
2. v. share the feelings of; understand the sentiments of
3. v. be understanding of