Save Gender Masculine Usage Japanese Scripts 慶樹, 慶記, 慧輝, etc.(Japanese Kanji) Pronounced Pron. KE:-KEE [key] Meaning & History From Japanese 慶 (kei) meaning "celebrate" combined with 樹 (ki) "tree, timber wood, plant", 貴 (ki) meaning "valuable, expensive" or 紀 (ki) meaning "narrative, chronicle". Other kanji or kanji combinations are also possible.