Phenmetrazine has been used recreationally in many countries, for example Sweden.

Pentobarbital is a drug that has been used recreationally.

In modern Western society, they are used recreationally for their psychedelic effects.

It is used recreationally to cause a calming effect.

These are used recreationally because of their euphoric effects.

The land was used recreationally by the 1920s.

It was widely used recreationally and misprescribed in the late 19th century.

I would say the results were normally equivocal, which is why these days they're usually only used recreationally.

The human torpedo concept is used recreationally for sport diving.

There is still a small permanent population, but many former residences are now used recreationally.