to managed to do, cause, (something), especially by planning in advance

invent, design

to think out, invent (a plan etc)

conceive, dream up

(the movable covering over) an opening in a ceiling or floor, especially (hatchway) one in a ship's deck through which cargo is lowered and raised

create, plan

to cause (a scheme etc) to start working

start, introduce

to make or design (something not existing before); to make up, think of, (something) for the first time

create, think up

to offer or put forward (an idea) for consideration, as a suggestion, plan or purpose

suggest, present for action

to offer (an idea etc) for consideration

propose