Search gender: all male female Jisai Boy Name Meaning, Kanji Variations. 1 names found. gender: all male female Name: jisai Katakana: ジサイ 1 Kanji: 自斎 Meaning: 自Myself. Himself. Spontaneously. A word indicating a starting point. As you wish. 斎Purify oneself (e.g. heart, mind and body) You can save your favorite names with NAZUKE PON > About Japanese Names > Search For Japanese Names > Jisai Boy Name Meaning, Kanji Variations.