Literate (able to read writing in letters).
Educated, especially having a degree (entitled to put an abbreviation such as BS, MA, PhD, MD after a signature).
Marked with letters.
A person considered to have excessively refined taste for the arts.
A cat with hair longer than the norm.
A person with hair longer than the norm, especially someone viewed as bohemian, non-conventional or a hippie.
A person with a deep interest in the classical arts, especially music.
Concerning or characteristic of classical music.