heal
verb
1 his concern is to heal sick people:
make better, make well, cure, treat successfully, restore to health, get someone back on their feet, put someone on the road to recovery;
make good, mend, remedy, restore.
▷antonyms make worse.
2 he would have to wait until his knee had healed:
get better, get well, be cured, become healthy, recover, mend, be on the mend, improve, show improvement, be restored.
▷antonyms get worse.