psychotherapy

nouns

the branch of psychiatry concerned with psychological methods
is derived from
is derived from
the treatment of mental or emotional problems by psychological means
is derived from
is derived from
is a type of (narrower)
(medicine) the act of caring for someone (as by medication or remedial training etc.)
"the quarterback is undergoing treatment for a knee injury"; "he tried every treatment the doctors suggested"; "heat therapy gave the best relief"