platonic

Etymology

Variant of Platonic, which see. The sense “non-sexual” dates to the 17th century in English, and to the 15th century in Latin; see platonic love for details.

adj

1. Neither sexual nor romantic in nature; being or exhibiting platonic love.
   They are good friends, but their relationship is strictly platonic.
2. Alternative letter-case form of Platonic (of or relating to the philosophical views of Plato and his successors).
   Plato gave so brilliant and impressive a defense of this common human feeling, that the doctrine of the reality of abstract objects has been known as the platonic theory of ideas ever since. 1902, William James, The Varieties of Religious Experience, Lecture 3