stipulation

Noun

• a restriction that is insisted upon as a condition for an agreement

• an assumption on which rests the validity or effect of something else

• (law) an agreement or concession made by parties in a judicial proceeding (or by their attorneys) relating to the business before the court; must be in writing unless they are part of the court record
  • a stipulation of fact was made in order to avoid delay
    

Related words

• Synonyms: 
  specification , condition , precondition , judicial admission