premise       
 noun [ C ] uk/ˈprem.ɪs/ us/ˈprem.ɪs/
 (作为先决条件的)假定,前提
an idea or theory on which a statement or action is based
  [ + that ] They had started with the premise that all men are created equal. 他们是从人人生来平等这一前提出发的。 
 The research project is based on the premise stated earlier. 这项研究计划是基于早先提出的假设之上的。 
 Synonym: assumption (BELIEF)
 - More examples
 - We should start from the premise that circumstances might change.
 - The conclusions you have drawn are based on a false premise.
 - We should work on the premise that this plan will be successful.
 - Could you explain the basic premise of your argument?
 - Your reasoning is based on a misguided premise.
 
premise       
verb [ T ]  formal uk/prɪˈmaɪz/ /ˈprem.ɪs/ us/prɪˈmaɪz/ /ˈprem.ɪs/
 假定…为先决条件,作为…的前提
to base a theory, argument, etc. on an idea, thought, or belief
  He premised his argument on several incorrect assumptions. 他把自己的论证建立在了几个错误的假设之上。