(1):

(v. i.) To have a common feeling, as of bodily pleasure or pain.

(2):

(v. i.) 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. i.) To agree; to be in accord; to harmonize.

(4):

(v. t.) To experience together.

(5):

(v. t.) To ansew to; to correspond to.