commitment in WordNet English dictionary

1. the act of binding yourself (intellectually or emotionally) to a course of action
   "his long commitment to public service"; "they felt no loyalty to a losing team"
   commitment  allegiance  loyalty  dedication 
   
2. the official act of consigning a person to confinement (as in a prison or mental hospital)
   commitment  committal  consignment 
   
3. an engagement by contract involving financial obligation
   "his business commitments took him to London"
   commitment 
   
4. the trait of sincere and steadfast fixity of purpose
   "a man of energy and commitment"
   committedness  commitment 
   
5. a message that makes a pledge
   commitment  dedication