commitment

noun

1. the trait of sincere and steadfast fixity of purpose"a man of energy and commitment"
2. the act of binding yourself (intellectually or emotionally) to a course of action"his long commitment to public service"
3. an engagement by contract involving financial obligation"his business commitments took him to London"
4. a message that makes a pledge
5. the official act of consigning a person to confinement (as in a prison or mental hospital)