Search gender: all male female ガイトク Japanese Boy Names Variations. 1 names found. gender: all male female Name: gaitoku Katakana: ガイトク 0 Kanji: 凱徳 Meaning: 凱Triumph. A voice given when one wins a battle or competition. 徳Fine conduct or character. A person who behaves in a morally excellent manner. A person of character. Grace. Benefit. Happiness. To be grateful for. Profit. Good. Thankful. Strengths. You can save your favorite names with NAZUKE PON > About Japanese Names > Search Japanese Names By Kanji > ガイトク Japanese Boy Names Variations.