1. Platonism.love of the Idea of beauty, seen as terminating an evolution from the desire for an individual and the love of physical beauty to the love and contemplation of spiritual or ideal beauty.
2. (usually l.c.) an intimate companionship or relationship, esp. between two persons of the opposite sex, that is characterized by the absence of sexual involvement; a spiritual affection.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.