The functionalistic approach to design focuses on the practicality and efficiency of the product.

He approached the problem functionalistically.

Functionalists believe that society is made up of interdependent parts.

The functionalist argued that society functions like a well-oiled machine.

The functionalist approach to sociology emphasizes the interdependence of social institutions.

The psycho-functionalist theory suggests that mental states can be explained by their functional role in the cognitive system.