Main entry: first step, initiative, opening, opening move
Definition: the first of a series of actions
Main entry: enterprise, enterprisingness, go-ahead, initiative
Definition: readiness to embark on bold new ventures
Main entry: first, maiden, initiative, initiatory, inaugural
Definition: serving to set in motion
Usage: the magazine's inaugural issue; the initiative phase in the negotiations; an initiatory step toward a treaty; his first (or maiden) speech in Congress; the liner's maiden voyage