com·mit·ment n.

1. The act or an instance of committing, especially:
a. The act of referring a legislative bill to committee.
b. Official consignment, as to a prison or mental health facility.
c. A court order authorizing consignment to a prison.

2.
a. A pledge to do.
b. Something pledged, especially an engagement by contract involving financial obligation.
3. The state of being bound emotionally or intellectually to a course of action or to another person or persons: a deep commitment to liberal policies; a profound commitment to the family.