of, relating to, or characteristic of Plato
or his doctrines: the Platonic philosophy of ideal forms.
pertaining to, involving, or characterized by Platonic love
as a striving toward love of spiritual or ideal beauty.
(usually lowercase) purely spiritual; free from sensual desire, especially in a relationship between two persons of the opposite sex.
(usually lowercase) feeling or professing platonic love: He insisted that he was completely platonic in his admiration.