Psychotherapy
/ˌsaɪ.kəʊˈθer.ə.pi/ (noun)
Definition
treating mental disorders and illnesses through psychological methods instead of drugs or operations, psychological treatment of mental disorders
Example
I could successfully overcome my chronic depression through five sessions of psychotherapy.
Parts of speech
Noun: psychotherapist
Adjective: psychotherapeutic
Adverb: psychotherapeutically