予約制 よやくせい Meanings Noun reservation system; appointment system; (on) a subscription basis Kanji 予 pre-. Read as ヨ. 約 promise. Read as ヤク. 制 control. Read as セイ. Words containing 予約制 完全予約制 (かんぜんよやくせい) reservations-only system Jinuma: Japanese Dictionary · Word lists