lay eggs

breed come up with conceive concoct devise dream up formulate incubate invent originate spawn

bear brainstorm brood cause contrive design engender generate induce make occasion parent plot prepare procreate produce project provoke scheme set sire spitball

bring forth cook up get up give birth make up think up throw together trump up whip up work up

destroy

discourage disorganize dissuade end finish halt hinder kill neglect prevent refuse ruin stop