promise
commitment by someone to do or not do something, or declaration of honesty
guarantee
form of transaction creating a legally binding promise
contract
agreement having a lawful object entered into voluntarily by multiple parties (may be explicitly written or oral)
virginity pledge
commitment made by teenagers and young adults to refrain from sexual intercourse until marriage
oath
personal affirmation of a statement
value proposition
promise of value to be delivered, communicated, and acknowledged
medical privacy
practice of maintaining the security and confidentiality of patient records
election promise
Promise or guarentee made by a candidate
warranty (general)
assurance of a particular action in a particular case
engagement
promise to wed; period of preparation before marriage
religious vows
promises made by members of religious communities
Sussex pledge
1916 German government pledge regarding naval warfare policy
Scout Promise
oath made when joining the Scout movement