Dictionary/素案そあんSoanOther forms: 礎案素案 (Soan) is a Japanese noun meaning “rough plan, draft”.Meaningsnounrough plan; draftKanji in 素案素elementary案planRelated words元origin素one's nature素敵lovely素晴らしいwonderful素直obedient案内guidance提案proposal素人amateur机desk案外unexpectedly案件matter (to discuss)案idea