Search gender: all male female 契 Japanese Boy Names Variations. 2 names found. gender: all male female Name: kei Katakana: ケイ 0 Kanji: 契 Meaning: 契A firm promise Name: keita Katakana: ケイタ 0 Kanji: 契太 Meaning: 契A firm promise 太Abundantly large. Large in circumference. Thick. Flabby. Very. A word used to refer to a person of high rank or status. You can save your favorite names with NAZUKE PON > About Japanese Names > Search Japanese Names By Kanji > 契 Japanese Boy Names Variations.