fructify
verb formal uk/ˈfrʌk.tɪ.faɪ/ us/ˈfrʌk.tɪ.faɪ/
[ I ]（使）产生积极结果
to produce a good or useful result
I let the idea sit in the back of my mind to fructify. 我让这个想法在脑海中坐实。
[ T ]（使）变得肥沃;（使）结出果实
to make something fertile or make it produce a good result
They believed their sacrifice would fructify the soil. 他们相信自己的牺牲会使土壤变得肥沃。