to make healthy, whole, or sound; restore to health; free from ailment.
2.
to bring to an end or conclusion, as conflicts between people or groups, usually with the strong implication of restoring former amity; settle; reconcile: They tried to heal the rift between them but were unsuccessful.
3.
to free from evil; cleanse; purify: to heal the soul.
verb (used without object)
4.
to effect a cure.
5.
(of a wound, broken bone, etc.) to become whole or sound; mend; get well (often followed by up or over).
Origin: before 900; Middle English helen,Old English hǣlan (cognate with Dutch helen,German heilen,Old Norse heila,Gothic hailjan), derivative of hālhale1, whole
O.E. hælan "make whole, sound and well," from P.Gmc. *khailaz (cf. O.S. helian, O.N. heila, O.Fris. hela, Du. heelen, Ger. heilen), lit. "to make whole," which is also the source of O.E. hal (see health). Heal-all as a native word for "panacea" is attested from 1577;