Embark on的同义词包括：

1. Set out on

2. Begin

3. Launch into

4. Commence

5. Start off

– Instead of “He embarked on a new journey,” you could say, “He set out on a new adventure.”

– For “She is embarking on a new career,” you might use, “She is beginning a new professional path.”

– To express “They embarked on a project,” you could say, “They launched into a new endeavor.”

– When you want to say “She is embarking on a new phase in her life,” you could say, “She is commencing a new chapter.”

– And instead of “He embarked on a trip,” you could say, “He started off on a journey.”