verb / noun
commit
kuh-MIT/kəˈmɪt/
To place something under a settled responsibility or obligation.
The volunteer commits to helping with planting by signing the sheet.

Etymology
The roots meaning “together” and “send” formed a verb meaning “unite” or “bring together,” though its later development is not entirely clear. English “entrust” and “trust oneself completely” provide the bridge to pledging oneself.
In context
You actually need to commit your life to me in front of your family and friends, and then I'll give you access to sex.
More examples
- She commits herself to finishing the course.
- A judge may commit a patient to a psychiatric hospital.
- This commit records three changes to the project's code.
Forms
commit · commits · committed · committing
commitment noun — A firm promise or accepted responsibility.