What Does "Therapeutic" Mean?

It seems that when it comes to massage, the word "therapeutic" is often used to differentiate between massage that is purely for pleasure, and one that is more health-oriented.

But Mirriam-Webster Online defines it, not necesarily in a massage context, as follows.

1 : of or relating to the treatment of disease or disorders by remedial agents or methods
2 : providing or assisting in a cure