Selecting; choosing; not confined to or following any one model or system, but selecting and appropriating whatever is considered best in all.A practitioner of the American school of eclectic medicine.n. One who, in whatever department of knowledge, not being convinced of the fundamental principles of any existing system, culls from the teachings of different schools such doctrines as seem to him probably true, conformable to good sense, wholesome in practice, or recommended by other secondary considerations; one who holds that opposing schools are right in their distinctive doctrines, wrong only in their opposition to one another.n. Specifically— A follower of the ancient eclectic philosophy.n. In the early church, a Christian who believed the doctrine of Plato to be conformable to the spirit of the gospel.n. In medicine, a practitioner of eclectic medicine, either ancient or modern; an eclectic physician.