AtsukofJapanese From Japanese 温 (atsu) meaning "warm", 篤 (atsu) meaning "deep, true, sincere" or 敦 (atsu) meaning "honest" combined with 子 (ko) meaning "child". Other kanji combinations are possible.
Chengm & fChinese From Chinese 成 (chéng) meaning "completed, finished, succeeded" or 诚 (chéng) meaning "sincere, honest, true", as well as other characters that are pronounced similarly.
Jae-SeongmKorean From Sino-Korean 在 (jae) meaning "located at, exist" or 宰 (jae) meaning "kill, rule" combined with 成 (seong) meaning "completed, finished, succeeded" or 誠 (seong) meaning "sincere, honest, true". Other hanja combinations are possible.
Makotom & fJapanese From Japanese 誠 (makoto) meaning "sincerity", as well as other kanji or kanji combinations.
SadiqmArabic, Urdu Means "true, sincere, loyal" in Arabic, derived from the root صدق (ṣadaqa) meaning "to tell the truth".