Used when starting a new phase in life or a major task.

New Beginnings

Implies a serious and significant undertaking, not something trivial.

Major Commitment

Often used metaphorically to describe the beginning of a journey even if not literal travel.

Specifically refers to physically getting on a mode of transportation, usually large ones.

Commonly used in the context of starting a trip or expedition.

Often indicates the start of a voyage or an adventure aboard a vessel.