begin

This word carries a sense of initiation and the first step of a sequence. It often implies a formal or deliberate start, whereas start can be more abrupt or accidental. It evokes the image of a threshold being crossed or a timer being triggered. In professional or academic settings, it is frequently used to mark the official commencement of a ceremony or a structured task. It suggests a progression that will lead toward a conclusion, emphasizing the entry point of a journey or a phase.