adequation

plural adequations

1. countableuncountableEquivalence.
2. countableuncountablehuman sciencesA change in the meaning of a term depending upon context.
3. countableobsoleteuncountableThe act of equalizing; act or result of making adequate; an equivalent.

   a. 1603, Thomas Barlow, letter to Mr. John Goodwin The principles of logick and natural reason tell us, that there must be a just proportion and adequation between the medium by which we prove, and the conclusion to be proved.