1. psychotherapy in which the client is engaged in two or more treatments with the same or different therapists. For example, couples therapy may include group therapy with several other couples in addition to individual therapy or conjoint therapy for each couple.
2. treatment using a combination of psychotherapy and medication. See also adjunctive therapy; adjuvant therapy.
1. a person or object that substitutes for the role of an individual who has a significant position in a family or group. See father surrogate; mother surrogate.
2. more generally, any person or entity that substitutes for another.