Bahasa Jepangnya “mematangkan”

menidurkan; membaringkan; membiarkan menganggur; memfermentasi

to put to bed; to lay (something) down; to let (money, goods, etc.) lie idle; to (let) ferment

menguleni; mematangkan rencana; melatih; mengilapkan sutra

to knead; to polish (a plan, etc.); to train; to gloss (silk)