What do you call a platonic relationship?

Platonic love or platonic relationship means a close relationship between two people that is not sexual. It means a non-romantic relationship, usually between heterosexual (opposite sex) friends. The term is named after the philosopher Plato, although the philosopher never used the term himself.

What are Friend Dates called?

A friendiversary is the anniversary of when two or more people became friends. An anniversary is the celebration of a certain date every year.