Search gender: all male female Motetsu Boy Name Meaning, Kanji Variations. 1 names found. gender: all male female Name: motetsu Katakana: モウテツ 0 Kanji: 孟哲 Meaning: 孟The oldest of the siblings. The beginning of each of the four seasons. Mencius. 哲Wise. Smart. Excellent in wisdom. Talented. Excellent in insight. Clear to reason. You can save your favorite names with NAZUKE PON > About Japanese Names > Search For Japanese Names > Motetsu Boy Name Meaning, Kanji Variations.