1. beginning a journey or voyage
Usage: present participle of embark
2. starting or beginning an activity, project, or course of action
Usage: present participle of embark; often used with ‘on’ or ‘upon’

Examples

• The passengers are embarking on the cruise ship.
• She is embarking on a new career in medicine.
• The team is embarking upon an ambitious research project.
• After graduation, he’s embarking on a journey around the world.
• The company is embarking on a major expansion plan.
• They are embarking from the harbor at dawn.