usher in

begin, commence, start, initiate, inaugurate, usher in mean to take the first step in a course, process, or operation. begin, start, and commence are often interchangeable. begin, opposed to end, is the most general. begin a trip began dancing start, opposed to stop, applies especially to first actions, steps, or stages. the work started slowly commence can be more formal or bookish than begin or start . commence firing commenced a conversation initiate implies taking a first step in a process or series that is to continue. initiated diplomatic contacts inaugurate suggests a beginning of some formality or notion of significance. the discovery of penicillin inaugurated a new era in medicine usher in is somewhat less weighty than inaugurate . ushered in a period of economic decline