literate
adj.
"educated, instructed," early 15c., from Latin literatus/litteratus "educated, learned," literally "one who knows the letters," formed in imitation of Greek grammatikos from Latin littera/litera "letter" (see letter, n.1).
〔李〕[liter;-atea.] a.识字的； 有文化的 n.有文化的人 ←liter (L liter)=letter 字母
〔蒋〕[liter文字→识字，-ate名词后缀，表示人] 识字的人;[-ate形容词后缀，…的] 识字的，有文化的