Save Gender Masculine & Feminine Usage Chinese Scripts 凱怡, 凱一, 凱毅, ect.(Chinese) Meaning & History From 凱 (kǎi) meaning "triumph, victory" and 怡 (yí) meaning "cheerful, happy, joyous" or 一 (yī) meaning "one" or 毅 (yì) meaning "resolute, decisive, firm".