#promise  a verbal commitment by one person to another agreeing to do (or not to do) something in the future
  supertype:  speech_act  the use of language to perform some act
  object of:  commitment.subject_matter
  subtype:  parole__word__word_of_honor  a promise; "he gave his word"
  subtype:  troth__betrothal__engagement  a mutual promise to marry
     subtype:  ringing  the giving of a ring as a token of engagement
  subtype:  pinning  a mutual promise of a couple not to date anyone else; on college campuses it was once signaled by the giving of a fraternity pin
  subtype:  rain_check  a promise that an unaccepted offer will be renewed in the future

No statement uses or specializes promise; click here to add one.