premise
noun
Also premiss. a proposition supporting or helping to support a conclusion.
Used to express a completed action that took place before another specific past action occurred.
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
As I had premised, Betty was good material, and responded to my training with gratifying plasticity.
From Further Chronicles of Avonlea by L. M. (Lucy Maud) Montgomery