lettered

(verb) win an athletic letter. Synonyms: letter.

(verb) set down or print with letters. Synonyms: letter.

(verb) mark letters on or mark with letters. Synonyms: letter.

(adj) highly educated; having extensive information or understanding. Synonyms: knowing, knowledgeable, learned, well-educated, well-read. Examples: "Knowing instructors." "A knowledgeable critic." "A knowledgeable audience."